Sporobolus stapfianus Gand.

Species

Angiosperms > Poales > Poaceae > Sporobolus

Characteristics

Densely caespitose perennial, the basal leaf-sheaths forming a compacted mass of fine fibres with age, these woolly within; culms 6–40 cm. high, slender.. Leaf-blades convolute, 3–15 cm. long; sheath-margins tomentose with curly hairs (whence the woolly fibres).. Panicle ovate, 3–15 cm. long, diffuse, rarely linear and ± condensed, the branches capillary and tinged with red.. Spikelets 1.4–2.1 mm. long, greyish green or sometimes dark green; lower glume narrowly ovate, 0.8–1.1 mm. long; upper glume narrowly ovate, 0.8–1.5 mm. long, 1/2–2/3 as long as the spikelet, acute; lemma narrowly ovate, as long as the spikelet, acute; anthers 3, 0.8–1 mm. long.. Grain obovoid, truncate, 0.5–0.7 mm. long.
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Tufted perennial, 150-550 mm high; old leaf sheaths fibrous with woolly hairs between fibres. Leaf blade 30-150 x 1-2 mm; ligule a fringed membrane or a fringe of hairs. Inflorescence a panicle, dichotomously branched, without long hairs in axils; branches not whorled. Spikelet 1.4-2.1 mm long, laterally compressed, awnless, glabrous, disarticulating above glumes; glumes 1-nerved. Floret 1; lemma similar in texture to glumes, membranous, often shining, 1-3-nerved. Flowering time Oct.-Mar.
Tufted perennial 150-550 mm high; old leaf sheaths fibrous with a mass of woolly hairs between fibres. Leaf blade 30-150 x 1-2 mm. Inflorescence open, dichotomously or not dichotomously branched; axils without long hairs on a pulvinus. Spikelet 1.4-2.1 mm long; glumes unequal; lower glume 1/3-2/3 as long as spikelet, apex acute to acuminate or obtuse-denticulate; upper glume 1/2-2/3 as long as spikelet, apex acute; lemma as long as spikelet, narrowly ovate, acute; anther 1.0-1.2 mm long.
Spikelets (1.2)1.4–2.1 mm long, greyish-green or sometimes dark greenish-purple or olive; inferior glume 1/3–2/3 the length of the spikelet, narrowly ovate to oblong, nerveless, glabrous or minutely hispidulous, acute to acuminate or obtuse-denticulate at the apex; superior glume 1/2–2/3(4/5) the length of the spikelet, narrowly ovate, 1-nerved, glabrous or minutely hispidulous, acute at the apex; lemma as long as the spikelet, narrowly ovate, acute; anthers 3, 0.8–1.2 mm long.
Densely caespitose perennial without rhizomes or stolons; culms up to 40(55) cm tall, erect, unbranched; basal leaf sheaths chartaceous, tomentose on the margins with curly yellow or brown hairs, terete, decaying with age into a compact mass of fine fibres, the woolly hairs retained within; leaf laminas 3–15 cm long, involute-filiform, smooth or scaberulous on the surface, scabrid on the margins.
Perennial, tufted, up to 0.55 m high. Leaf blades 30-150 mm long, 1-2 mm wide, old leaf sheaths fibrous with a mass of woolly hairs between fibres. Spikelets 1.4-2.1 mm long. Panicle dichotomously branched, without long hairs in axils.
Panicle 3–15 cm long, ovate and diffuse or rarely linear and somewhat condensed; primary branches not in whorls, capillary, tinged with red, smooth or scaberulous, eglandular, the spikelets evenly distributed.
Grain 0.5–0.7 mm long, obovate, truncate.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.55
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 -
Soil texture 5-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses animal food
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 -

Images

Habit

Sporobolus stapfianus habit picture by Susan Brown (cc-by-sa)

Leaf

Sporobolus stapfianus leaf picture by Susan Brown (cc-by-sa)

Flower

Sporobolus stapfianus flower picture by Susan Brown (cc-by-sa)
Sporobolus stapfianus flower picture by Susan Brown (cc-by-sa)

Distribution

Sporobolus stapfianus world distribution map, present in Angola, Burkina Faso, Botswana, Ethiopia, Kenya, Madagascar, Mozambique, Namibia, Nigeria, Rwanda, Sudan, eSwatini, Tanzania, United Republic of, Uganda, Yemen, South Africa, Zambia, and Zimbabwe

Conservation status

Sporobolus stapfianus threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:422955-1
WFO ID wfo-0000901498
COL ID 4ZCSW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Sporobolus stuppeus Sporobolus stapfianus Sporobolus festivus var. stuppeus