Eragrostis welwitschii Rendle

Species

Angiosperms > Poales > Poaceae > Eragrostis

Characteristics

Spikelets 3.5–9 × 1.5–2 mm, oblong, laterally compressed, 6–30-flowered, the lemmas disarticulating from below upwards, the rhachilla persistent; glumes unequal, keeled, narrowly lanceolate in profile, glabrous, eglandular, acute at the apex, the inferior 1–1.3 mm long, reaching to 2/3 the way along the adjacent lemma, the superior 1.4–1.6 mm long, reaching to the middle of the adjacent lemma; lemmas 1.5–1.8 mm long, keeled, narrowly ovate in profile, chartaceous with distinct lateral nerves, diverging from the rhachilla at 45°, those in opposite rows not overlapping, the rhachilla visible between them, light green tinged with dark purple, glabrous, eglandular, acute at the apex; palea persistent or tardily deciduous, glabrous on the flanks, the keels slender, wingless, scaberulous; anthers (2)3, c. 0.3 mm long.
More
Tufted annual; culms 6–60 cm. high, erect or ascending.. Leaf-blades 2.5–15 cm. long, 2–3 mm. wide.. Panicle ovate, 2.5–16 cm. long, moderately dense with delicate spikelets borne on slender pedicels.. Spikelets 6–30-flowered, oblong, 3.5–9 mm. long, 1.5–2 mm. wide, often prettily tinted with dark purple, breaking up from the base, the rhachilla persistent; glumes unequal, lanceolate, acute, the lower 1 mm. long, the upper 1.5 mm.; lemmas ovate, 1.5–1.8 mm. long, acute; palea scaberulous on the keels, persistent; anthers (2–)3, 0.3 mm. long.. Caryopsis subglobose, 0.3–0.5 mm. long.. Fig. 62/6, p. 196.
Caespitose annual; culms up to 60 cm tall, erect or ascending, branched or unbranched, glabrous at the nodes, eglandular; leaf sheaths glabrous, eglandular; ligule a line of hairs; leaf laminas 2–10 cm × 1.5–3 mm, linear, usually involute, sometimes flat, glabrous, eglandular.
Panicle 2.5–16 cm long, ovate or oblong-ovate, moderately dense, the spikelets evenly distributed on pedicels 2–3.5 mm long, the primary branches not in whorls, terminating in a fertile spikelet, thinly pilose in the axils, eglandular.
Caryopsis 0.3–0.5 mm long, subrotund.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.33 - 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses animal food
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Eragrostis welwitschii world distribution map, present in Angola, Burkina Faso, Central African Republic, Congo, Ethiopia, Ghana, Guinea, Gambia, Guinea-Bissau, Liberia, Mozambique, Nigeria, Sierra Leone, Togo, Tanzania, United Republic of, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:401718-1
WFO ID wfo-0000868652
COL ID 6FZH8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eragrostis welwitschii Eragrostis densa