Pterocarpus lucens subsp. antunesii (Taub.) Rojo

First published in Phanerog. Monogr. 5: 50 (1972)
This subspecies is accepted
The native range of this subspecies is S. Tropical Africa to NW. Namibia. It is a shrub or tree and grows primarily in the desert or dry shrubland biome.

Descriptions

Flora Zambesiaca Leguminosae subfamily Papillionoideae byJ.M. Lock*

Morphology General Habit
Deciduous tree, often branched from the base, up to 12 m tall; crown spreading or irregular; bark greyish, flaking off in plates.
Morphology General Indumentum
Young parts appressed-pubescent, soon glabrous; branchlets glabrous, bark reddish-brown.
Morphology Leaves
Leaves up to 12 cm long; petiole 1–3 cm long, rachis 3–6 cm long, sparsely puberulous or glabrous; petiolules 1.5–3 mm long; leaflets 1–9(11), subopposite to alternate, 2.5–5 × 1.5–3.5 cm, ovate to elliptic or oblong-ovate, rounded or obtuse or acute and sometimes emarginate at the apex, rounded or obtuse or cuneate at the base, glabrous on upper surface, minutely appressed-puberulous or glabrous beneath; lateral nerves in 4–6 pairs, these and the reticulation scarcely visible on either surface; stipules 5–8 mm long, linear, caducous.
Morphology Reproductive morphology Inflorescences
Inflorescence of axillary racemes 4–16 cm long, hairy or glabrous; bracts and bracteoles caducous.
Morphology Reproductive morphology Flowers
Flowers 15–18 mm long; pedicels rather slender, 10–18 mm long.
Morphology Reproductive morphology Flowers Calyx
Calyx 3.5–5 mm long, thinly appressed-pubescent outside, ciliolate on the teeth-margin; teeth obtuse to acute.
Morphology Reproductive morphology Flowers Corolla
Standard circular, 12–15 mm in diameter, claw c.3.5 mm long; wings nearly as long as the standard, auricle rounded, claw c.4 mm long; keel petals shorter than the wings, free, dorsally slightly overlapping.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 9 fused, the upper one free for much of its length.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 2–3-ovulate, appressed-pilose on the sutures; style 3–4 mm long, glabrous; stipe short, puberulous.
Morphology Reproductive morphology Fruits
Pod 1(2)-seeded, 3–4 × 2.5–5 cm, obovate or oblong-obovate, often somewhat incurved, narrowly winged, apex rounded, base obtuse or cuneate, veined or smooth over the seed; style-base at the apex or nearly so.
Distribution
Also in S Angola and Namibia.
Ecology
In open woodlands and Baikiaea forest, often on Kalahari sands and in rocky places; 40–1200 m.
Conservation
Conservation Status: A widespread taxon. Lower Risk, Least Concern.
[FZ]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian woodland, Zambezian bushland and thicket
Morphology General Habit
Perennial, Not climbing, Tree
[ILDIS]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/146221638/146221640

Conservation
LC - least concern
[IUCN]

Uses

Use
Wood
[ILDIS]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • International Legume Database and Information Service

    • International Legume Database and Information Service (ILDIS) V10.39 Nov 2011
    • http://creativecommons.org/licenses/by/3.0
  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0