Trisetopsis longifolia (Nees) Röser & A.Wölk

Species

Angiosperms > Poales > Poaceae > Trisetopsis

Characteristics

Tufted perennial, 300-900 mm high. Leaf blade 200-400 mm long, up to 1.5 mm wide, setaceous; ligule an unfringed membrane. Inflorescence a usually open panicle, up to 200 mm long. Spikelet 8-10(-12) mm long (excluding awns), laterally compressed, rachilla internode ± 2 mm long, with hairs 3-4 mm long; glumes unequal, very narrowly lanceolate, acuminate, ± keeled; lower glume glabrous, 1-nerved, scaberulous along nerve; upper glume ± 3/4 as long as spikelet, 3-nerved. Florets 2-6; lemma linear-lanceolate, rounded on back, smooth or finely papillate, 2-lobed, lobe < 7 mm from above central awn insertion, lobes awned; central awn from between lobes, basal part twisted; lowest lemma > 7 mm long from base to where lobes start; anther 0.6-3.3 mm long. Flowering time Dec.-Apr.
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Tufted perennial 300-900 mm high. Leaf blade 200-400 x to 1.5 mm, setaceous. Inflorescence to 200 mm long, usually open. Spikelet 8-10(-12) mm long (excluding awns), usually loosely flowered; glumes unequal, very narrowly lanceolate, acuminate; lower glume glabrous, scaberulous along the nerve, 1-nerved; upper glume about 3/4 as long as spikelet, 3-nerved; rachilla internode about 2 mm long, with hairs 3-4 mm long; lemma linear-lanceolate, smooth or finely papillate, lobes shorter than 7 mm from above the central awn insertion; lowest lemma longer than 7 mm from the base to where lobes start; anther 0.6-3.3 mm long.
Perennial; up to 0.9 m high; tufted. Leaf blades 200-400 mm long; up to 1.5 mm wide; setaceous. Flowers: panicle usually open; up to 200 mm long; spikelets 8-10(-12) mm long; loosely flowered; upper glume ± 3/4 spikelet length; rachilla internodes ± 2 mm long; exposed between florets; with hairs 3-4 mm long; lemmas smooth or finely papillate; lobes above insertion of awn 3-5 mm long.
Perennial, tufted, up to 0.9 m high. Leaf blades 200-400 mm long, setaceous, up to 1.5 mm wide. Spikelets 8-10(-12) mm long. Panicle up to 200 mm long, usually open; upper glume ± three-quarters the spikelet length; rhachilla internodes ± 2 mm long, with hairs 3-4 mm long; lemma smooth or finely papillate, lobes above insertion of awn shorter than 7 mm.
Life form perennial
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Sexuality hermaphrodite
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Mature width (meter) -
Mature height (meter) 0.6 - 0.9
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Environment

Light -
Soil humidity 3-6
Soil texture 7-8
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Hardiness (USDA) -

Usage

Uses -
Edible -
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Cultivation

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Distribution

Trisetopsis longifolia world distribution map, present in Lesotho and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77129297-1
WFO ID wfo-0001336099
COL ID 592C6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Avenastrum caffrum Trisetum longifolium Avena caffra Trisetopsis longifolia