Pseudarthria hookeri Wight & Arn.

Species

Angiosperms > Fabales > Fabaceae > Pseudarthria

Characteristics

Erect woody herb or subshrub, 0.3–3(–4) m. tall, from a thick rhizome.. Stems strongly ribbed, pubescent to velvety.. Leaflets elliptic or obovate-elliptic, 2.5–16.5 cm. long, 1.3–10 cm. wide, acute to rounded and mucronulate at the apex, cuneate or rounded at the base, subentire but more usually broadly crenulate, somewhat rough above, pubescent to velvety beneath; petiole 1–7 cm. long, channelled; rhachis 0.2–3 cm. long; petiolules 0.2–1 cm. long; stipules 0.5–1.2 cm. long, (1–)2–5 mm. wide, eventually falling.. Inflorescences usually much branched and very lax with numerous flowers; rhachis 6–35 cm. long; peduncle 0–10 cm. long; pedicels 3–8 mm. long, at first erect, later reflexed; primary bracts ovate-lanceolate, 3–10 mm. long, 1–2 mm. wide, acuminate, persistent; secondary bracts linear, 2–3 mm. long.. Corolla reddish-purple, blue, rose or white.. Standard rounded, 6–8 mm. long, 4–6.5 mm. wide.. Pods straight, 1.2–3.8 cm. long, 3–4(–5) mm. wide, 3–12-seeded, puberulous or subtomentellous.. Seeds chestnut-brown, reniform or oblong-ovoid, compressed, smooth, longest dimension ± 2 mm., shorter dimension 1.2 mm., 0.8 mm. thick.
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Erect woody herb or subshrub 0.3-3(4) m tall, from a thick rhizome. Stems strongly ribbed, pubescent to velvety. Leaflets 2.5-16.5 x 1.3-10 cm, elliptic or obovate-elliptic, acute to rounded and mucronulate at the apex, cuneate or rounded at the base, subentire or more usually broadly crenulate, somewhat rough on the upper surface, pubescent to velvety beneath; petiole 1-7 cm long, channelled; rhachis 2-30 mm long; petiolules 2-10 mm long; stipules 5-12 x (1)2-5 mm, eventually falling. Inflorescences usually much branched and very lax with numerous flowers; peduncle 0-10 cm long; rhachis 6-35 cm long; pedicels 3-8 mm long, at first erect, later reflexed; primary bracts 3-10 x 1-2 mm, ovate-lanceolate, acuminate, persistent; secondary bracts 2-3 mm long, linear. Corolla reddish-purple, blue, rose or white; standard 6-8 x 4-6.5 mm, rounded. Fruit straight, 12-38 x 3-4(5) mm, 3-12-seeded, puberulous or subtomentellous. Seeds chestnut-brown, compressed, smooth, c. 2 x 1.2 x 0.8 mm, reniform or oblong-ovoid.
Perennial, erect to suberect, herb or subshrub, up to 3 m high; arising from thick rhizomatous, woody rootstock; stems strongly ribbed, tomentose-villous with white or yellow hairs. Leaves pinnately trifoliolate. Leaflets elliptic or obovate-elliptic, pubescent to velvety below. Stipules lanceolate-attenuate. Inflorescences often much-branched and very lax racemes, sometimes paniculate, bracteate. Flowers pink. Flowering time Nov.-May. Pod linear-oblong or slightly falcate, compressed, with sutures straight or slightly sinuate, imperfectly articulated.
Leaflets 2.5–16.5 × 1.3–10 cm, elliptic or obovate-elliptic, acute to rounded and mucronulate at the apex, cuneate or rounded at the base, subentire or more usually broadly crenulate, somewhat rough on the upper surface, pubescent to velvety beneath; petiole 1–7 cm long, channelled; rhachis 2–30 mm long; petiolules 2–10 mm long; stipules 5–12 × (1)2–5 mm, eventually falling.
Inflorescences usually much branched and very lax with numerous flowers; peduncle 0–10 cm long; rhachis 6–35 cm long; pedicels 3–8 mm long, at first erect, later reflexed; primary bracts 3–10 × 1–2 mm, ovate-lanceolate, acuminate, persistent; secondary bracts 2–3 mm long, linear.
Seeds chestnut-brown, compressed, smooth, c. 2 × 1.2 × 0.8 mm, reniform or oblong-ovoid.
Fruit straight, 12–38 × 3–4(5) mm, 3–12-seeded, puberulous or subtomentellous.
Corolla reddish-purple, blue, rose or white; standard 6–8 × 4–6.5 mm, rounded.
Erect woody herb or subshrub 0.3–3(4) m tall, from a thick rhizome.
Flowers small in copious panicles, white, yellow or pink
An erect, stiffly branched shrub, 6–10 ft. high
Stems strongly ribbed, pubescent to velvety.
Easily confused with Desmodium salicifolium.
Grey-downy all over
Life form perennial
Growth form
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.91 - 3.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Coarse lowland to upland grassland, wooded and bushed grassland, open woodland, scrub, sometimes gregarious in savannah; locally common; also by rivers in rocky places, old cultivations and plantations.
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Sometimes gregarious in grass savannah
Light -
Soil humidity -
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses animal food environmental use material medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Pseudarthria hookeri unspecified picture

Distribution

Pseudarthria hookeri world distribution map, present in Angola, Burundi, Burkina Faso, Central African Republic, Cameroon, Congo, Ethiopia, Gabon, Ghana, Guinea, Guinea-Bissau, Kenya, Madagascar, Mali, Mozambique, Mauritius, Malawi, Nigeria, Rwanda, Sudan, Senegal, Sierra Leone, Chad, Togo, Thailand, Tanzania, United Republic of, Uganda, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:515894-1
WFO ID wfo-0000177956
COL ID 78CP4
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Pseudarthria lactescens Desmodium kerstenii Desmodium robustum Pseudarthria robusta Pseudarthria densiflora Pseudarthria hookeri var. hookeri Anarthrosyne robusta Pseudarthria hookeri Anarthrosyne densiflora

Lower taxons

Pseudarthria hookeri var. argyrophylla