Macrotyloma densiflorum (Welw. ex Baker) Verdc.

First published in Kew Bull. 24: 403 (1970)
This species is accepted
The native range of this species is Tanzania to S. Tropical Africa. It grows primarily in the seasonally dry tropical biome.

Descriptions

Leguminosae, B. Mackinder, R. Pasquet, R. Polhill and B. Verdcourt. Flora Zambesiaca 3:5. 2001

Morphology General Habit
Erect herb to 1.75 m tall, from a perennial woody rootstock.
Morphology Stem
Stems annual, several, sparsely covered with appressed silvery or ferruginous hairs on lower parts, densely covered on upper parts.
Morphology Leaves
Leaves 3-foliolate; leaflets 2.5–9 × 1–2.5 cm, elliptic to oblong-elliptic, subacute to rounded at the apex, apiculate, cuneate to rounded at the base, upper surface glabrous apart from appressed hairs on the midvein and margins, lower surface densely silvery sericeous velvety; petiole 6–8 mm long; rhachis 3–4 mm long; petiolules 2–3 mm long; stipules 8–10 mm long, lanceolate, densely sericeous, striate; stipels 2–3 mm long, filiform.
Morphology Reproductive morphology Flowers
Flowers axillary in 5–7-flowered fascicles; pedicels 2–4 mm long; bracts and bracteoles 3–13 mm long, lanceolate, densely silvery sericeous.
Morphology Reproductive morphology Flowers Calyx
Calyx densely silvery sericeous; tube 3 mm long; lobes 3–12 mm long, lanceolate or triangular, the upper two fused for almost all their length.
Morphology Reproductive morphology Flowers Corolla
Standard yellow-green, 14–20 × 8–19 mm, obovate, emarginate at the apex, with linear appendages 4–5 mm long; wings 12–18 × 3–4 mm; keel petals 10–15 × 4–5 mm, fused.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 9–13 mm long, densely sericeous, 6–8-ovuled.
Morphology Reproductive morphology Fruits
Pod 3.8–5 cm × 6–12 mm, compressed, glabrous to densely hairy (at least when young), 6–8-seeded.
Morphology Reproductive morphology Seeds
Seeds reddish-brown, 5–7 × 3–5 × 2 mm.
[FZ]

International Legume Database and Information Service

Conservation
Not Threatened
Ecology
Africa: Zambezian woodland
Morphology General Habit
Perennial, Not climbing, Herb
[ILDIS]

Leguminosae, J. B. Gillett, R. M. Polhill & B. Verdcourt. Flora of Tropical East Africa. 1971

Morphology General Habit
Erect perennial herb, 0·4–1·75 m. tall, from a tough woody rootstock.
Morphology Stem
Stems several, sparsely branched at base, densely covered with ± adpressed silvery or ferruginous hairs.
Morphology Leaves
Leaflets 3, paler beneath, oblong-elliptic, 2·5–7·8 cm. long, 1–2·7 cm. wide, rounded or subacute and mucronulate at the apex, cuneate to rounded at the base, with adpressed hairs on the margins and midrib but otherwise practically glabrous above, densely covered with adpressed silvery hairs beneath at first, but later glabrescent; petiole 6–8 mm. long; rhachis 3–4 mm. long; petiolules 2–3 mm. long; stipules oblong-lanceolate, 8–12 mm. long, 4–5 mm. wide, adpressed silvery pubescent, ribbed.
Morphology Reproductive morphology Flowers
Flowers 5–7 in dense axillary fascicles; peduncle very short or obsolete; pedicels 2–4 mm. long; bracts and bracteoles lanceolate, 3–6·5 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx adpressed or spreading silvery silky pubescent; tube 3–4 mm. long; lobes triangular, 3–5(–7) mm. long, the upper pair joined to form a triangular lobe bifid at the extreme apex.
Morphology Reproductive morphology Flowers Corolla
Standard yellow-green, obovate, 1·4–2·4 cm. long, 0·9–1·8 cm. wide, emarginate.
Morphology Reproductive morphology Fruits
Pod linear-oblong, 3–8·5 cm. long, 0·6–1·2 cm. wide, ± margined, rugulose, glabrous, pubescent or with adpressed cottony indumentum.
Morphology Reproductive morphology Seeds
Seeds reddish-brown with black speckling, ellipsoid, compressed, longest dimension 5–7 mm., shorter dimension 3·5–4·5 mm., 2·5 mm. thick.
Habitat
Edges of cultivation on rock outcrops; 1500 m.
Distribution
T4
[FTEA]

Sources

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0
  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • 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/
  • 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 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 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 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0