| Home | > | List of families | > | Poaceae | > | Eragrostis | > | crassinervis |
| Synonyms: |
Eragrostis poecilantha Stapf |
| Common names: | |
| Frequency: | |
| Status: | |
| Description: |
Densely caespitose perennial without stolons but sometimes with short oblique rhizome; culms up to 60 cm tall, erect or ascending, unbranched or rarely branched, glabrous at the nodes, eglandular; basal leaf sheaths glabrous, chartaceous, compressed and keeled, gland-dotted on the nerves, persistent; ligule a line of hairs; leaf laminas 3.5–8(10) cm × 1.5–2 mm, narrowly linear, involute or rarely flat, villous above, gland-dotted on the midnerve beneath.Panicle 4–10(12) cm long, oblong to narrowly elliptic, gland-dotted on the axis, branches and pedicels, the spikelets condensed about the branches and branchlets on pedicels up to 0.7 mm long, the primary branches not in whorls, terminating in a fertile spikelet, glabrous in the axils.Spikelets 5–12(15) × 2–3 mm, narrowly oblong, laterally compressed, 12–20-flowered, the lemmas disarticulating from below upwards, the rhachilla persistent; glumes subequal, 1.3–1.9 mm long, reaching to between 2/3 and 4/5 the way along the adjacent lemmas, keeled, narrowly oblong-lanceolate in profile, gland-dotted on the keel, acute at the apex; lemmas 1.4–1.8 mm long, keeled, elliptic in profile, membranous with raised prominent lateral nerves, diverging from the rhachilla at c. 45°, those in opposite rows not imbricate, the rhachilla visible between them, often tinged with purple, gland-dotted on the keel, scaberulous on the back above, obtuse at the apex with the nerves excurrent as short mucros; palea persistent, glabrous on the flanks, the keels slender, wingless, scabrid; anthers 3, 0.5–0.6 mm long.Caryopsis 0.4–0.5 mm long, subrotund. |
| Notes: | |
| Derivation of specific name: | crassinervis: with thick nerves |
| Habitat: | Moist sand in bed of seasonal rivers, beside waterholes and springs, and in moist clayey soil of pans |
| Altitude range: (metres) | 600 - 1400 m |
| Flowering time: | |
| Worldwide distribution: | Namibia, South Africa, Zimbabwe |
| Zimbabwe distribution: | W,C,E,S |
| Growth form(s): | |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Cope, T.A. (1999). Poaceae Flora Zambesiaca 10(2) Page 143. 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 200 - 201. (Includes a picture). |
| Home | > | List of families | > | Poaceae | > | Eragrostis | > | crassinervis |