Triraphis purpurea Hack. ex Schinz

Species

Angiosperms > Poales > Poaceae > Triraphis

Characteristics

Tufted annual 90-770 mm high; culm internodes hairy with long bulbous-based hairs, densely hairy near the nodes. Leaf blade 35-60 x 1-2 mm; glabrous or with long hairs near the base; sheath densely hairy; ligule a fringed membrane. Inflorescence ± open but dense, longer than 30 mm long, purple. Spikelet 6-10 mm long (excluding awns); 5-11(-24)-flowered; glumes 1.8-3.5 mm long, lobed, shortly awned; lemma 3.2-3.5 mm long (excluding awns), central awn 2.0-3.5 mm long, shorter than to as long as body of lemma; anthers 1.2-2.0 mm long.
More
Spikelets 8–12 mm long excluding the awns, 6–10(14)-flowered, narrowly oblong; glumes unequal in length, the inferior 1.8–2.2 mm long, the superior 2.6–3 mm long; lemmas lanceolate, the body c. 3 mm long; awns 2–3 mm long; anthers 1.2–1.6 mm long.
Annual; tufted, 0.09-0.77 m high. Leaf blades 35-60 mm long, 1-2 mm wide. Spikelets 6-10 mm long. Panicle longer than 30 mm, open or dense; spikelets 5-1 l(-24)-flowered; anthers 1.2-2.0 mm long.
Robust, densely tuberculate-hairy annual up to 65 cm tall, with leaves mostly basal; leaf lamina 3–13 cm × up to 3 mm, flat, setaceously acuminate.
Panicle 3–22 cm long, ± elliptic, loose, the branches slender, flexuous or rigid, bearing numerous spikelets.
Life form annual
Growth form
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.09 - 0.77
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c4

Environment

Light -
Soil humidity 4-6
Soil texture 5-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses animal food environmental use material
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

Triraphis purpurea world distribution map, present in Angola, Botswana, Namibia, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:425038-1
WFO ID wfo-0000904875
COL ID 59225
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Triraphis welwitschii Triraphis fleckii Triraphis purpurea