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This species is accepted, and its native range is W. Tanzania to N. Zambia.
A specimen from Kew's Herbarium

[FZ]

Tiliaceae, H. Wild. Flora Zambesiaca 2:1. 1963

Morphology General Habit
Shrub or small tree up to c. 5 m. tall; branches rather thick and with a ferruginous tufted scabrous stellate tomentum.
Morphology Leaves
Leaf-lamina 3–10 × 4–14 cm., palmately lobed to rather more than half-way, the base broadly cordate to truncate; lobes 3–5, 2–8 × 1–4 cm., oblong, acute at the apex, irregularly serrate, sparsely appressed-stellate-pilose and somewhat scabrid above, brownish-tomentose below, with raised nerves; petiole up to 8 cm. long, stellately ferruginous-tomentose.
Morphology Reproductive morphology Inflorescences
Inflorescences terminal panicles or corymbs, of shortly pedunculate c. 10-flowered cymes; peduncles of cymes 1–5 mm. long, ferruginously scabrous-tomentose; pedicels similar, 1–3 mm. long, bracts 4–8 mm. long, lanceolate to subulate, setulose-pubescent and with a short appressed-stellate pubescence also.
Morphology Reproductive morphology Flowers Calyx
Sepals c. 10 mm. long, broadened at the base giving a swelling in the bud, linear above, appressed-stellately tomentellous outside; subapical horn c. 1 mm. long.
Morphology Reproductive morphology Flowers Corolla
Petals orange-yellow, c. 10 mm. long, spathulate-oblong, rounded or truncate and serrate at the apex, narrowed to a falcate claw below, tomentose at the base.
Morphology Reproductive morphology Flowers Androgynophore
Androgynophore 1–1·5 mm. long, with large closely spaced glands; annulus villous.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens c. 30, 10 mm. long.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary depressed-globose, villous, 3-locular.
Morphology Reproductive morphology Fruits
Fruit up to 6·5 cm. in diam. including the aculei; aculei very numerous, subulate-filiform, softly stellate-pubescent and terminating in a fine long seta which is easily rubbed off and then apparently absent.

[FTEA]

Tiliaceae, C. Whitehouse, M. Cheek, S. Andrews & B. Verdcourt. Flora of Tropical East Africa. 2001

Morphology General Habit
Many-stemmed shrub 0.6–5 m tall; stems 4–6 mm thick, erect, brown, abrasive, with scattered, easily detached stellate hairs.
Morphology Leaves
Basal leaves triangular in outline, 6.5–7 cm long, 9–12 cm wide, 3(–5 when pedatifid)-lobed, divided by 8/10(–9/10), segments ovate-elliptic, 4.5–6 cm long, 2.5–3.5 cm wide, tip rounded to acute, margin slightly serrate to serrate, strongly stellate-scabrid above, subscabrid-tomentose beneath; leaves on flowering lateral branches shallowly 3-lobed or entire; petioles 4.2–6.2 cm long, 1 mm broad, indumentum as stem; stipules caducous, triangular-lanceolate, 6 mm long, 2.5 mm wide.
Morphology Reproductive morphology Inflorescences
Inflorescences terminal with numerous lateral branches, cymes 1 per node, 1–3-flowered; peduncle 2.5–4 mm long, indumentum as stem; bracts 3–4, as stipules but 3–5 mm long; pedicels 0.5–3 mm long.
Morphology Reproductive morphology Flowers Calyx
Sepals oblong-pandurate, 12–16 mm long, 2 mm wide, the exterior thickly covered in short stellate hairs, apical spur 0.5–1 mm long.
Morphology Reproductive morphology Flowers Corolla
Petals narrowly spathulate, 12–13 mm long, 2.5 mm wide, the claw as long as the blade, with a dense tuft of hairs spreading laterally 1 mm from the base; stamens 27–31; ovary thinly covered with long hairs.
Morphology Reproductive morphology Fruits
Fruits indehiscent, spherical, 5-locular, 34–47(–55) mm in diameter including bristles, the fruit body 8–9 mm in diameter, densely covered in long flexuose bristles, each 14–25 mm long, 0.25 mm wide, covered along their length with very short, relatively sparse, stellate hairs; bristle-tips glabrous.
Figures
Fig. 11/8–9 (p. 71).
Habitat
Brachystegia and probably Julbernardia woodland; 1600–2000 m
Distribution
T4

Native to:

Tanzania, Zambia, Zaïre

Triumfetta trifida Sprague & Hutch. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1957 Miller, O.B. [219/31], Zambia K000242033 Unknown type material
Jan 1, 1957 Stevenson, D. [219/31], Zambia K000242034
Jan 1, 1957 Miller, O.B. [D 151], Zambia K000242035 syntype

First published in J. Linn. Soc., Bot. 39: 248 (1909)

Accepted by

  • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1963). Flora Zambesiaca 2(1): 1-351. Royal Botanic Gardens, Kew.
  • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.
  • Whitehouse, C., Cheek, M., Andrews, S. & Verdcourt, B. (2001). Flora of Tropical East Africa, Tiliaceae & Muntingiaceae: 1-120.

Literature

Kew Backbone Distributions

  • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.
  • Whitehouse, C., Cheek, M., Andrews, S. & Verdcourt, B. (2001). Flora of Tropical East Africa, Tiliaceae & Muntingiaceae: 1-120.

Flora of Tropical East Africa

  • A. Engler & O. Drude, Die Vegetation Der Erde, IX, Pflanzenwelt Afrikas 3(2): 365 (1921).
  • F. White, Forest Flora of Northern Rhodesia p. 240 (1962).
  • R. Wilczek in Flore du Congo Belge et du Ruanda-Urundi, 10: 67, fig. 2c (1963).
  • Sprague & Hutch. in Journal of the Linnean Society of London, Botany 39: 248 (1909).
  • Wild in Flora Zambesiaca 2: 67 (1963).

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/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0