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This species is accepted, and its native range is Kenya (Mt. Kenya).
A specimen from Kew's Herbarium

[GB]
Morphology General Habit
Perennial; caespitose. Rhizomes elongated. Culms geniculately ascending; 35-45 cm long; rooting from lower nodes. Ligule an eciliate membrane; 3-6 mm long. Leaf-blades 3-6 cm long; 1-2 mm wide; stiff. Leaf-blade surface ribbed; scaberulous. Leaf-blade margins scaberulous. Leaf-blade apex acuminate; hardened.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Peduncle antrorsely scabrous above. Panicle spiciform; oblong; 5-6 cm long; 0.8-1.2 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4.5-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 1.2-1.5 length of lemma.
Fertile
Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4.5-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 1.2-1.5 length of lemma.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; gaping. Lower glume lanceolate; 4.5-5 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 4.5-5 mm long; 1.6-1.8 length of adjacent fertile lemma; membranous; 1-keeled; 1-3 -veined. Upper glume primary vein scaberulous. Upper glume apex acuminate.
Morphology Reproductive morphology Flowers Florets
Fertile lemma lanceolate; 2.5-3 mm long; membranous; without keel; 5 -veined. Lemma lateral veins excurrent. Lemma surface asperulous; rough above. Lemma apex dentate; 4 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.5 way up back of lemma; straight; 2 mm long overall; not or scarcely exserted from spikelet. Palea hyaline; 2 -veined.
Morphology Reproductive morphology Flowers
Lodicules 2; lanceolate; membranous. Anthers 3. Stigmas 2.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum punctiform. Endosperm farinose. Disseminule comprising a floret.
Distribution
Africa: east tropical.
Reference
Aveneae. FTEA.

[FTEA]

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

Morphology General Habit
Loosely tufted perennial with slender creeping rhizomes.
Morphology Culms
Culms 35–45 cm. high, slender, scaberulous, ascending, rooting and branched at the lower nodes.
Morphology Leaves
Leaf-blades up to 6 cm. long and 2 mm. wide, firm, ± scaberulous, with a subpungent tip; ligules 3–6 mm. long.
Morphology Reproductive morphology Inflorescences
Panicle erect, narrowly oblong, 5–6 cm. long and 0.8–1.2 cm. wide, spike-like.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets narrowly lanceolate, 4.5–5 mm. long, purplish; glumes narrowly lanceolate, minutely scaberulous on the keel above, acuminate; lemma 2.5–3 mm. long, firmly membranous, asperulous towards the apex, 5-nerved, the laterals excurrent into 4 mucros; awn ± 2 mm. long, arising at about the middle of the back; callus-hairs 3.5 mm. long, exceeding the floret.
Habitat
Upland moor in rock crevice; 4250 m.
Distribution
K4 known only from the type-gathering

Native to:

Kenya

Calamagrostis hedbergii Melderis appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Hedberg, O. [1810], Kenya K000367393
Mabberley, D.J. [501], Kenya K000333274

First published in Svensk Bot. Tidskr. 50: 544 (1956)

Accepted by

  • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.
  • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Kew Backbone Distributions

  • Clayton, W.D. (1970). Gramineae Flora of Tropical East Africa 1: 1-176.

Flora of Tropical East Africa

  • Meld. in Svensk. Bot. Tidskr. 50: 544 (1956).

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

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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 2021. 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