Hyparrhenia tamba Andersson

Species

Angiosperms > Poales > Poaceae > Hyparrhenia

Characteristics

Stout, densely tufted, robust perennial, 1-3 m high; rhizomatous; sometimes with small stilt roots; basal sheaths hairy; fresh shoots not aromatic. Leaf blade up to 800 x 3-7 mm; ligule an unfringed membrane. Inflorescence of paired racemes enclosed by spatheoles 26-40 mm long, crowded into large, leafy, false panicle; peduncles 20-30 mm long; raceme pairs with 5-8 awns; raceme bases subequal, flattened, short-appendaged. Sessile spikelets 5 mm long, dorsiventrally compressed, becoming dark purplish grey, with long white hairs. Florets 2; lower floret sterile, reduced to a lemma, awnless; upper floret bisexual, lemma less firm than glumes towards base, hyaline, 2-lobed, awns 16-25 mm long; callus cuneate, tip visible on apex of internode. Pedicellate spikelets 7-8 mm long, villous, awnless or awn up to 2 mm long. Flowering time Dec.-June.
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Densely tufted stout, robust perennial 1 000-3 000 mm high; sometimes with small stilt roots; rhizome dense; basal sheaths hairy; culms to 4 mm thick. Leaf blade to 800 x 3-7 mm. Spatheole 26-40 mm long; peduncle 20-30 mm long; raceme bases subequal, flattened, short-appendaged; raceme pairs with 5-8 awns. Sessile spikelet 5 mm long; becoming dark purplish-grey; hairs long, white; awn 16-25 mm long; callus cuneate. Pedicellate spikelet 7-8 mm long, villous, awnless or with an awn up to 2 mm long; anther 1.5-2.0 mm long.
Perennial; up to 3 m high; stout; robust; rhizomatous; densely tufted. Roots sometimes with small stilt roots. Culms up to 4 mm thick. Leaf blades up to 800 x 3-7 mm; basal sheaths hairy. Flowers: in a complex; false panicle; raceme pairs with 5-8 awns; awns 16-25 mm long; raceme bases subequal; flattened; short-appendaged; sessile spikelets 5 mm long; becoming dark purplish grey; with long white hairs; callus cuneate; pedicellate spikelets villous; spatheoles 26-40 mm long; peduncles 20-30 mm long.
Stout, robust perennial, rhizomatous and tufted (densely), up to 3 m high. Sometimes with small stilt roots. Leaf blades up to 800 mm long, 3-7 mm wide. Culms to 4 mm thick; basal sheaths hairy. Spikelets (sessile) 5 mm long (becoming dark purplish grey, with long white hairs, callus cuneate). Spatheoles 26-40 mm long; peduncles 20-30 mm long; raceme pairs with 5-8 awns, 16-25 mm long; raceme bases subequal, flattened, short-appendaged; pedicellate spikelets villous.
Life form perennial
Growth form
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c4

Environment

Light -
Soil humidity 1-3
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

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

Hyparrhenia tamba world distribution map, present in Eritrea, Ethiopia, Kenya, Lesotho, Sudan, eSwatini, South Africa, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:405599-1
WFO ID wfo-0000875348
COL ID 3NMRM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Andropogon tamba Hyparrhenia glauca Andropogon lepidus var. tamba Hyparrhenia tamba Cymbopogon tamba