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Synonyms: |
Pogonarthria brainii Stent |
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Frequency: | |
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Description: |
Caespitose perennial without rhizomes or stolons; culms up to 130 cm tall, erect, unbranched, glabrous at the nodes (but pilose on the internodes), eglandular; basal leaf sheaths pilose or glabrescent, chartaceous, terete, eglandular, persistent or rarely decaying into fibres; ligule a line of hairs; leaf laminas 10–25 cm × 2–3 mm, linear, involute, glabrous or thinly pilose, eglandular.Panicle 13–28 cm long, broadly linear with ascending or appressed strictly racemose branches, the spikelets secund along the whole length of the branches (except for the naked 3–5 mm at the extreme base) on pedicels 0.3–0.4 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils, eglandular.Spikelets 2.5–3.5 × 1–1.5 mm, ovate or elliptic-oblong, laterally compressed, 3–4-flowered, the lemmas disarticulating from below upwards but the rhachilla becoming fragile early on; glumes unequal, reaching to about the middle of the adjacent lemmas, keeled, lanceolate to narrowly ovate in profile, scaberulous on the keel, acute at the apex, the inferior 1.3–1.5 mm long, the superior 1.6–2 mm long; lemmas 2.2–2.5 mm long, keeled, narrowly ovate in profile, firmly membranous with somewhat obscure lateral nerves, ± appressed to the rhachilla, those in opposite rows scarcely imbricate, the rhachilla just visible between them, green or variegated with purple, faintly scaberulous on the keel, acute at the apex; palea persistent, glabrous on the flanks, the keels slender, wingless, scabrid; anthers 3, 0.8–1 mm long.Caryopsis 0.6–0.8 mm long, broadly ovate. |
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Habitat: | Kalahari Sand woodland, and wooded grassland and miombo on sandy soils |
Altitude range: (metres) | 375 - 1300 m |
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Worldwide distribution: | Angola, Zambia, Zimbabwe |
National distribution: | N,W,C |
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Endemic status: | |
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Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Literature: |
Cope, T.A. (1999). Poaceae Flora Zambesiaca 10(2) Page 141. Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 103. Poilecot, P. (2007). Eragrostis species of Zimbabwe Éditions Quae,Versailles, France Pages 196 - 197. (Includes a picture). |
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