Family:
Poaceae Barnhart

Stipagrostis Nees

This genus is accepted, and its native range is Dry parts of Africa, E. Europe to Central China and India.

[FZ]

Gramineae, E. Launert. Flora Zambesiaca 10:1. 1971

Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 1-flowered, pedicelled, in terminal contracted or lax panicles.
Morphology Reproductive morphology Inflorescences
Rhachilla disarticulating above the glumes.
Morphology Reproductive morphology Flowers Florets
Florets hermaphrodite, equalling or shorter than the glumes.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent, equal or unequal, narrow, acuminate to obtuse, occasionally emarginate, 1-11-nerved, usually both 3-nerved.
Morphology Reproductive morphology Inflorescences Bracts Lemma
Lemma narrow, cylindric, with involute margins, 3-nerved, grooved ventrally, becoming indurated at maturity, bearing at the base a well developed pungent or minutely 2-fid, usually oblique, barbate or glabrous callus, awned from the apex of the lemma or from the apex of a usually twisted column; awns usually 3, all plumose, or at least the central one plumose, or with a penicil of hairs at the apex of the column; articulation present, being situated at or above the middle or between the base of the column and the body of the lemma.
Morphology Reproductive morphology Inflorescences Bracts Palea
Palea usually much less than 1/2 the length of the lemma, indurated, 2-nerved, glabrous.
Morphology Reproductive morphology Flowers Lodicules
Lodicules usually 2, or absent, obtuse.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary glabrous; styles free; stigmas 2, plumose.
Morphology Reproductive morphology Fruits
Caryopsis terete, frequently shallowly grooved ventrally, tightly enclosed by the lemma, free; hilum linear; embryo usually 1/3-1/2 the length of the caryopsis.
Morphology General Habit
Annual or densely caespitose perennial grasses with a well developed knotty rhizomatous base, with usually erect, simple or branched, hollow or solid culms, and with usually long narrow leaves; ligule of a dense rim of cilia; panicles narrow, spiciform or effuse and open.

[GB]

nonem

Morphology General Habit
Annual (6), or perennial (51). Rhizomes absent (41), or short (5), or elongated (12). Stolons absent, or present (1). Culms erect (17/28), or geniculately ascending (14/28), or decumbent (6/28); reed-like (1/2), or slender (1/2); 2-45.92-200 cm long; firm (50), or wiry (2), or woody (4); without nodal roots (1/1), or rooting from lower nodes (1/1). Culm-internodes similar in length (1/2), or unequal, the upper longer (1/2); terete (1/1). Lateral branches lacking (12/29), or sparse (3/29), or ample (2/29), or fastigiate (4/29), or suffrutescent (13/29). Ligule a fringe of hairs. Leaf-blades persistent (52), or deciduous at the ligule (4); aciculate (11), or filiform (31), or linear (14), or lanceolate (1); herbaceous (52), or coriaceous (4); stiff (19), or firm (37). Leaf-blade midrib indistinct (1/1). Leaf-blade apex muticous (40), or pungent (17).
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle; subtended by an unspecialized leaf-sheath (55), or an inflated leaf-sheath (1); exserted (46), or embraced at base by subtending leaf (15). Panicle open (34/55), or contracted (24/55), or spiciform (3/55). Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform (1/1); tip widened (1/1).
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear (2), or lanceolate (54); subterete; 6.225-14.28-50 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident (5), or elongated (51); pubescent (35/55), or pilose (7/55), or bearded (14/55); obtuse (2), or acute (17), or pungent (36), or 2-toothed (1).
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets linear (2), or lanceolate (54); subterete; 6.225-14.28-50 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident (5), or elongated (51); pubescent (35/55), or pilose (7/55), or bearded (14/55); obtuse (2), or acute (17), or pungent (36), or 2-toothed (1).
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; exceeding apex of florets (54/54); thinner than fertile lemma (53), or similar to fertile lemma in texture (3). Lower glume linear (4/55), or lanceolate (54/55), or oblong (1/55); 0.5-1.014-8 length of upper glume; membranous (46), or chartaceous (9), or cartilaginous (1); without keels (52/54), or 1-keeled (3/54); 1 -veined (2), or 3 -veined (49), or 4 -veined (4), or 5 -veined (7), or 6 -veined (2), or 7 -veined (4), or 8-9 -veined (3). Lower glume lateral veins absent (2), or distinct (54); without ribs (52/54), or ribbed (2/54). Lower glume surface smooth (43), or asperulous (10), or scabrous (3); glabrous (46), or puberulous (4), or pubescent (1), or pilose (12). Lower glume apex emarginate (3/55), or truncate (2/55), or obtuse (7/55), or acute (10/55), or acuminate (33/55), or attenuate (4/55), or setaceously attenuate (1/55); muticous (51/55), or mucronate (3/55), or awned (2/55). Upper glume linear (5/55), or lanceolate (53/55), or oblong (1/55); 1.1-2.699-5 length of adjacent fertile lemma; membranous (46), or chartaceous (9), or cartilaginous (1); without keels (52/54), or 1-keeled (2/54); 1 -veined (5), or 2 -veined (3), or 3 -veined (50), or 4 -veined (3), or 5 -veined (6), or 7-9 -veined (1). Upper glume lateral veins without ribs (53/54), or ribbed (1/54). Upper glume surface smooth (45), or asperulous (9), or scabrous (2); glabrous (47), or puberulous (4), or pubescent (1), or pilose (8); without hair tufts (55), or with basal tufts of hair (1). Upper glume apex entire (54), or dentate (2); 2 -fid (1/1); emarginate (1/54), or truncate (2/54), or obtuse (4/54), or acute (15/54), or acuminate (31/54), or attenuate (5/54), or setaceously attenuate (1/54); muticous (50/55), or mucronate (6/55), or awned (2/55); 1 -awned (2/2).
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate (5), or elliptic (1), or oblong (51); subterete (19/19); chartaceous (3), or coriaceous (53); without keel (54/54); 3 -veined (54/54). Lemma surface smooth (45), or granulose (1), or scaberulous (4), or scabrous (2), or papillose (2), or tuberculate (2), or punctate (2). Lemma margins flat (1), or convolute (55); exposing palea (2), or covering most of palea (54). Lemma apex emarginate (1/53), or acute (52/53); without ornament (55), or tuberculate (1); awned; 1 -awned (1), or 3 -awned (55). Principal lemma awn straight (2), or geniculate (1), or 3-branched (53); limb glabrous (1), or ciliate (1), or plumose (54). Column of lemma awn glabrous (49/54), or pubescent (1/54), or ciliate (4/54), or plumose (1/54); without distinct apical hairs (51/54), or with bearded apex (3/54). Lateral lemma awns longer than principal (1/54), or subequal to principal (10/54), or shorter than principal (43/54). Palea present (55), or absent or minute (1); not rolled (54/55), or involute (1/55); 0.1-0.3446-0.5 length of lemma; membranous (53/55), or chartaceous (2/55); 0 -veined (1/4), or 2 -veined (3/4); without keels (53/55), or 2-keeled (2/55).
Morphology Reproductive morphology Flowers
Lodicules 2 (4/4); membranous (3/3). Anthers 3 (5/5). Ovary glabrous (1/1).
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp (22/22); linear (1/20), or fusiform (9/20), or ellipsoid (5/20), or oblong (2/20), or obovoid (1/20), or oblanceolate (2/20); isodiametric (1/2), or dorsally compressed (1/2). Embryo 0.3-0.4419-0.66 length of caryopsis. Hilum linear (15/15); 0.33-0.922-1 length of caryopsis.
Distribution
Europe (2), or Africa (48), or Temperate Asia (23), or Tropical Asia (6).

[FTEA]

Gramineae, W. D. Clayton, S. M. Phillips And S. A. Renvoize. Flora of Tropical East Africa. 1974

Morphology General Habit
Densely tufted perennials, suffrutices with knotty rhizomatous base, or delicate annuals
Morphology Leaves
Leaf-blades narrow or terete, sometimes early deciduous leaving sheaths and chlorophyll-bearing culms as the main photosynthetic organs
Morphology Reproductive morphology Inflorescences
Panicle open or contracted
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 1-flowered with scarious glumes; lemma cylindrical, indurated, produced into a three-branched awn; awn with or without a column, articulated at the base of the column or near the middle of the lemma, the branches or at least the central one plumose; callus well-developed, pungent or minutely bifid, usually oblique; palea usually less than half as long as the lemma.

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General
Perennial, rarely annual, sometimes with knotty rhizomatous base or suffruticose; leaves mostly inrolled, sometimes pungent
Morphology Reproductive morphology Inflorescences Spikelets
Glumes 1- to 11-nerved; callus of floret long and pungent; lemma convolute; awns with or without a column, the central always, the laterals sometimes, plumose.
Distribution
Some 50 species in Africa, south-western and central Asia, and Pakistan.

Native to:

Afghanistan, Algeria, Angola, Botswana, Canary Is., Cape Provinces, Cape Verde, Caprivi Strip, Chad, China North-Central, China South-Central, Cyprus, Djibouti, East European Russia, Egypt, Eritrea, Ethiopia, Free State, Gulf States, India, Iran, Iraq, Kazakhstan, Kenya, Kirgizstan, Kuwait, KwaZulu-Natal, Lebanon-Syria, Lesotho, Libya, Mali, Mauritania, Morocco, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Oman, Pakistan, Palestine, Saudi Arabia, Senegal, Sinai, Socotra, Somalia, South European Russi, Sudan, Swaziland, Tadzhikistan, Tanzania, Transcaucasus, Tunisia, Turkey, Turkmenistan, Uganda, Uzbekistan, West Himalaya, Western Sahara, Xinjiang, Yemen, Zaïre, Zimbabwe

Stipagrostis Nees appears in other Kew resources:

First published in Linnaea 7: 290 (1832)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Flora of West Tropical Africa

  • de Winter in Bothalia 8: 307 (1965).
  • in Linnaea 7: 290 (1832)

Flora Zambesiaca

  • Fl. Afr. Austr.: 171 (1841).
  • de Winter in Kirkia, 3: 133 (1963)
  • in Bothalia, 8: 307 (1965).
  • in Linnaea, 7: 290 (1832)

Flora of Somalia

  • Flora Somalia, Vol 4, (1995) Author: by T. A. Cope [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Henr. in Med. Rijks Herb. Leiden 58 (1929)
  • de Winter in Bothalia 8: 307 (1965)
  • in Linnaea 7: 290 (1832)

  • Flora Zambesiaca

    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of Somalia

    Flora of Somalia
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Flora of Tropical East Africa

    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

  • GrassBase - The Online World Grass Flora

    http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

  • Plants and People Africa

    Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/