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Aristida wildii Melderis

Species

Angiosperms > Poales > Poaceae > Aristida

Characteristics

Lemma 10·5-11 mm. long, exserted from the glumes, keeled, often mottled with purple, glabrous in the lower part, scaberulous on the keel and lateral nerves towards the apex; callus 0·5 mm. long, short-barbate, with a minute, obtuse, glabrous tip; column absent; awns unequal, scabrous, the central 1·1-1·6 cm. long, the lateral ones 0·6-1·3 cm. long; articulation absent.
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Panicle 20-22 cm. long, lax, effuse; axis slightly scaberulous; branches up to 6 cm. long (excluding spikelets), simple or 2-nate, naked for most of their length, scaberulous, with a dark coloured glandular patch in the axils, ± spreading or the lower ones sometimes reflexed, bearing 1-3 spikelets towards the ends.
Glumes unequal, the lower longer than the upper, hyaline-membranous, 1-nerved, keeled, slightly scaberulous on the keel, otherwise glabrous; the inferior 7-9 mm. long, acute; the superior 6-7·5 mm. long, erose and obtuse at the apex.
Leaf-laminae up to 22 x 0·1-0·15 cm., convolute, minutely hirtellous above, glabrous, smooth beneath.
Culms erect, slender, simple or branched, glabrous, smooth, 3-4-noded; nodes glabrous.
Leaf-sheath glabrous, slightly keeled, tinged with purple towards the base.
Ligule a short ciliate rim; auricles short-ciliate; collar glabrous.
Spikelets pallid or tinged with purple.
Annual, 35-55 cm. high, delicate.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.35 - 0.55
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

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

Cultivation

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

Distribution

Aristida wildii world distribution map, present in Botswana

Identifiers

LSID urn:lsid:ipni.org:names:389895-1
WFO ID wfo-0000849567
COL ID 682Z4
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Aristida wildii
WorldFloraDB 2024