Tristachya rehmannii Hack. ex Schinz

Species

Angiosperms > Poales > Poaceae > Tristachya

Characteristics

Closely tufted perennial 200-900 mm high; basal sheaths silky villous; culm slender, 1-noded. Leaf blade to 200 x 1-3 mm, curling when old. Inflorescence narrowly lanceolate with 1-6(-8) triads, nodding, pedicels connate. Spikelet 20-30 mm long (excluding awn); glumes and lower lemma glabrous or with occasional tubercle-based hairs; lower glume 1/2-3/4 as long as spikelet, narrowly lanceolate, acute; upper glume as long as spikelet, very narrowly lanceolate; upper lemma pubescent, lobe awn 10-20 mm long, central awn 50-100 mm long; anther 4.5-7.5 mm long.
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Perennial; up to 0.9 m high; tufted. Leaf blades up to 200 x 1-3 mm; curling when old; basal leaf sheaths silky villous. Flowers: in a compacted panicle; spikelets 20-30 mm long; pedicels connate; glumes and lower lemma glabrous or with occasional tubercle-based hairs; upper lemma pubescent; lobe awn 10-20 mm long; central awn 50-100 mm long.
Perennial, tufted, up to 0.9 m high. Leaf blades up to 200 mm long, 1-3 mm wide, curling when old. Spikelets 20-30 mm long; pedicels connate; glumes and lower lemma glabrous or with occasional tubercle-based hairs; female-fertile lemma side awns (18-)22 (-24) mm long, central awns 50-100 mm long.
Superior lemma pubescent, the lobes tapering into bristles 10–20 mm. long, these deciduous with the central awn which is 3–9 cm. long.
Spikelets 18–33 mm. long, yellowish with the inferior glume purple-brown, glabrous or very rarely tuberculate-ciliate.
Panicle up to 20 cm. long, narrowly lanceolate, nodding, bearing 1–6(8) triads of spikelets with connate pedicels.
Culms 20–90 cm. high, slender, the basal sheaths silky villous.
Inferior glume 1/2–3/4 length of spikelet.
Leaf laminae 1–3(6) mm. wide, flat.
Compactly tufted perennial.
Life form perennial
Growth form
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.55 - 0.9
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 1-3
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses -
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

Tristachya rehmannii world distribution map, present in Angola, Botswana, Mozambique, Namibia, Tanzania, United Republic of, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:425507-1
WFO ID wfo-0000905610
COL ID 59387
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tristachya hockii Dolichochaete rehmannii Dolichochaete rehmannii subsp. mosambicensis Dolichochaete rehmannii var. helenae Dolichochaete rehmannii var. pilosa Tristachya rehmannii var. helenae Tristachya rehmannii var. pilosa Tristachya rehmannii Tristachya glabra Tristachya helenae