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This species is accepted, and its native range is E. DR Congo to SW. Tanzania.
A specimen from Kew's Herbarium

[FTEA]

Acanthaceae (part 1), Kaj Vollesen, Flora of Tropical East Africa, 2008

Morphology Reproductive morphology Inflorescences
Racemes dense and subcapitate in flower, elongating in fruit, 1–6 cm long; axes glabrous to puberulous; peduncle 0–1(–1.5) cm long, glabrous; bracts oblanceolate or narrowly so, 8–15 mm long, puberulous on midrib and ciliate, ± scattered peltate glands; pedicel 0.5–1(–2) mm long, glabrous or puberulous; bracteoles linear-lanceolate, 9–13 mm long, crisped-ciliate.
Morphology Reproductive morphology Flowers Calyx
Dorsal and two ventral sepals linear-lanceolate, 9–12 mm long, ciliate, lateral sepals similar or narrowly triangular, 1.5–4 mm long.
Morphology Reproductive morphology Flowers Corolla
Corolla dark blue, bluish violet, purple or dark purple, with 4 white bosses on lower lip, 2–3.3 cm long, glabrous outside; tube 1.6–2 cm long, campanulate above, glabrous inside but for band of hairs 3–4 mm above base; upper lip hooded or ± flat, entire or emarginate, 6–15 mm long; lateral lobes of lower lip spreading, obovate-spathulate, 5–10 mm long, median lobe deflexed, broadly oblong, 8–13 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens held under upper lip; filaments 8–20 mm long, glabrous; anthers ± 1.5 mm long, crisped-puberulous; stigma lobes similar.
Morphology Reproductive morphology Fruits
Capsule 8–10 mm long.
Morphology Reproductive morphology Seeds
Seed pyriform, reticulate, 1.5–2 mm long.
Figures
Fig. 4, 10–15.
Morphology General Habit
Shrubby herb or shrub, forming large bushes or ± scandent; stems up to 1.5(–3) m long, with transverse band of hairs at upper nodes, otherwise glabrous.
Morphology Leaves
Leaves opposite; petiole up to 3 cm long, pubescent adaxially; lamina ovate to elliptic, abruptly narrowed into a decurrent base or attenuate, largest 5–11 × 2.5–4 cm, apex acuminate to cuspidate with acute or obtuse tip, margin entire to crenate, subglabrous to crisped-puberulous, densest along veins.

Native to:

Burundi, Rwanda, Tanzania, Uganda, Zambia, Zaïre

Anisosepalum humbertii (Mildbr.) E.Hossain appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jul 12, 1971 Richards, H.M. [10057], Zambia K000393810 holotype

First published in Notes Roy. Bot. Gard. Edinburgh 31: 377 (1972)

Accepted by

  • Daniel, T.D. & McDade, L.A. (2014). Nelsonioideae (Lamiales: Acanthaceae): revision of genera and catalog of species Aliso 32: 1-45.
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne.
  • Vollesen, K. (2008). Flora of Tropical East Africa, Acanthaceae(1): 1-285.
  • Vollesen, K. (2013). Flora Zambesiaca 8(5): 1-184. Royal Botanic Gardens, Kew.

Literature

Flora of Tropical East Africa

  • B.J.B.B. 61: 142, figs. 13 & 14 (1991)
  • Distrib. Pl. Afr. 40: map 1317 (1994)
  • Fl. Rwanda 3: 433 (1985)
  • Lebrun & Stork, Enum. Pl. Afr. Trop. 4: 467 (1997).
  • Not. Roy. Bot. Gard. Edinb. 31: 377 (1972)

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