Philenoptera nelsii (Schinz) Schrire

Species

Angiosperms > Fabales > Fabaceae > Philenoptera

Characteristics

Leaves unifoliolate or occasionally 3-foliolate; lamina leathery or stiff, glabrous on upper surface, ± densely grey-pubescent beneath; lateral nerves in 4–6 pairs, these and the dense reticulation prominent beneath; lamina of unifoliolate leaves up to 16 × 9 cm, broadly ovate to elliptic, petiole 0.8–2 cm long; laminae of leaflets of 3-foliolate leaves smaller, pubescent-glabrescent, apex rounded or obtuse to subacute, base rounded or obtuse; petiole up to 5 cm long; stipules 3–6 mm long, subulate, near-persistent; stipels c.5 mm long, subulate, near-persistent.
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A shrub or small tree. It grows 12 m tall. It is round at the top. The bark is rough and grey. The small branches are hairy. The leaves have one leaflet. It is leathery and stiff. They are 16 cm long by 9 cm wide. The flowering shoots are 30 cm long. The pod is narrow and 10 cm long by 2 cm wide. There are 1-4 seeds.
Standard patent-reflexed, c.12 mm long, blade subcircular, 10–11 mm in diameter, with prominent calluses at the base, glabrous on the back; wings 12.5–13.5 × 3.5–4 mm, obovate, auricle c.0.8 mm long, acute, claw 1.5 mm long; keel petals 12–12.5 × 5–7 mm, arcuate-cucullate, auricle acute, claw 1.5–3 mm long.
Calyx 4–6 mm long, upper tooth-pair c.2.5 mm long, retuse, the lateral ones 1–2 mm long, obtuse, the lower one 2.5–3 mm long, triangular-acute.
Pod 1–4-seeded, linear, up to 10 × 2 cm, rounded at the apex, cuneate at the base, stiff, thinly sericeous; stipe c.3 mm long.
Inflorescence up to 30 cm long, borne precociously in axils of fallen leaves, or terminal, yellowish-grey-tomentose.
Ovary 5–7-ovulate, 6 mm long, shortly stipitate, densely pilose; style 3 mm long, glabrous.
Tree or shrub up to 12 m tall; crown rounded or irregular; bark rough, grey to dark brown.
Branchlets pubescent, glabrescent or tomentose with bark red-brown, becoming blackish.
Flowers mauve to pinkish, 10–12 mm long.
Seed 12 × 9 × 2 mm, testa brown, smooth.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 9.5 - 12.0
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Flower color
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Nitrogen fixer rhizobia
Photosynthetic pathway c3

Environment

Dry open woodland and bushland; often on deep Kalahari sand; at elevations around 800-1,200 metres.
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It is a subtropical plant.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses animal food bee plant environmental use food additive fuel material medicinal vertebrate poison wood
Edible barks
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Philenoptera nelsii unspecified picture

Distribution

Philenoptera nelsii world distribution map, present in Angola, Botswana, Namibia, Tanzania, United Republic of, Zambia, and Zimbabwe

Conservation status

Philenoptera nelsii threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:1013773-1
WFO ID wfo-0001034641
COL ID 3VXWR
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Lonchocarpus nelsii Philenoptera nelsii Dalbergia nelsii Lonchocarpus nelsii subsp. nelsii Lonchocarpus laxiflorus var. sericeus