Sacciolepis Nash

nonem

Morphology General Habit

Annual (11), or perennial (14). Rhizomes absent (17), or short (6), or elongated (3). Stolons absent, or present (1). Culms erect (6/13), or geniculately ascending (6/13), or decumbent (6/13); slender (1/3), or weak (2/3); 10-59.18-200 cm long; spongy (5), or compressible (1), or firm (18), or wiry (1); without nodal roots (1/6), or rooting from lower nodes (5/6), or with aerial roots from the nodes (1/6). Culm-internodes terete (1/1). Lateral branches lacking (1/2), or sparse (1/2), or ample (1/2). Leaf-sheath auricles absent (24), or erect (2). Ligule an eciliate membrane (12), or a ciliolate membrane (12), or a fringe of hairs (1), or absent (1). Leaf-blades filiform (2), or linear (23), or lanceolate (1). Leaf-blade apex muticous (24), or pungent (1).

Morphology Reproductive morphology Inflorescences

Inflorescence a panicle. Panicle open (1), or contracted (2), or spiciform (24). Spikelets solitary, or in pairs (1). Fertile spikelets pedicelled. Pedicels tip discoid (4/4).

Sterile

Basal sterile spikelets absent (24), or rudimentary (1).

Morphology Reproductive morphology Inflorescences Spikelets

Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (1), or elliptic (7), or oblong (1), or ovate (16), or orbicular (1); laterally compressed (22), or subterete (1), or dorsally compressed (2); symmetrical (2), or gibbous (23); 0.7-2.638-5 mm long; falling entire. Basal sterile spikelets absent (24), or rudimentary (1).

Fertile

Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate (1), or elliptic (7), or oblong (1), or ovate (16), or orbicular (1); laterally compressed (22), or subterete (1), or dorsally compressed (2); symmetrical (2), or gibbous (23); 0.7-2.638-5 mm long; falling entire.

Morphology Reproductive morphology Inflorescences Bracts Glume

Glumes reaching apex of florets (20), or exceeding apex of florets (5); thinner than fertile lemma; parallel to lemmas (24), or gaping (1). Lower glume lanceolate (2), or elliptic (3), or oblong (1), or ovate (16), or orbicular (3), or oblate (1); clasping (1/1); hyaline (20), or membranous (5); without keels; 1-2 -veined (1/24), or 3 -veined (12/24), or 4 -veined (3/24), or 5 -veined (12/24), or 6 -veined (5/24), or 7 -veined (8/24), or 8-9 -veined (1/24). Lower glume lateral veins distinct (24), or unequally thickened (1). Lower glume surface glabrous (21), or pubescent (2), or pilose (1), or hirsute (1). Lower glume apex obtuse (14), or acute (16). Upper glume lanceolate (2), or elliptic (10), or oblong (7), or ovate (9); not gibbous (2), or gibbous (23); 1-1.588-2.2 length of adjacent fertile lemma; membranous (19), or chartaceous (2), or herbaceous (2), or coriaceous (3); with undifferentiated margins (24), or hyaline margins (1); without keels; 5-8-13 -veined. Upper glume primary vein eciliate (24), or ciliate (1). Upper glume lateral veins ribbed. Upper glume surface glabrous (18), or puberulous (1), or pubescent (8), or hispidulous (1); with simple hairs (9/10), or tubercle-based hairs (1/10). Upper glume apex obtuse (7), or acute (18), or acuminate (1).

Morphology Reproductive morphology Flowers Florets

Basal sterile florets male (12), or barren (17); with palea (20), or without significant palea (6). Lemma of lower sterile floret lanceolate (2), or elliptic (10), or oblong (5), or ovate (10); 1.1 length of fertile lemma; hyaline (1), or membranous (18), or chartaceous (2), or herbaceous (2), or coriaceous (3); 3-4 -veined (1), or 5 -veined (6), or 6 -veined (3), or 7 -veined (12), or 9 -veined (8), or 11 -veined (1), or 15 -veined (1); without ribs (1), or ribbed (24); obtuse (5), or acute (18), or acuminate (2). Fertile lemma elliptic (15), or oblong (8), or ovate (2); dorsally compressed; chartaceous (3), or coriaceous (21), or indurate (1); without keel; 5 -veined (14/14). Lemma margins involute. Lemma apex obtuse (5/23), or acute (18/23). Palea involute; chartaceous (3), or cartilaginous (2), or coriaceous (19), or indurate (1).

Morphology Reproductive morphology Flowers

Lodicules 2 (2/2); fleshy (2/2). Anthers 2 (1/11), or 3 (10/11).

Morphology Reproductive morphology Fruits

Caryopsis with adherent pericarp (5/5); ellipsoid (3/4), or oblong (1/4); plano-convex (1/1). Embryo 0.4-0.5-0.6 length of caryopsis. Hilum punctiform (4/4).

Distribution

Africa (18), or Temperate Asia (3), or Tropical Asia (7), or Australasia (2), or Pacific (1), or North America (3), or South America (6).