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

[FTEA]

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

Morphology General Habit
Erect unbranched annual herb (rarely with a single branch); stems up to 45 cm long, sericeous-pubescent or pilose when young.
Morphology Leaves
Leaves subequal or smaller down to 2/3 of larger; lamina elliptic to obovate, largest 4–11 × 1.2–3.2 cm, margin entire, sparsely scabrid-sericeous, scabrid on margins.
Morphology Reproductive morphology Flowers
Flowers in 1-flowered persistent spikes subtended by 4 pairs of decussate bracts and with a number of reduced bract-like leaves at base, the spikes in dense sessile clusters of 2–5 on a flattened sparsely puberulous axis in axils of lower leaf-whorl just above the cotyledons (rarely also higher up); bracts green with brownish midrib and bristles, obovate, sparsely puberulous or sericeous-puberulous, terminating in a recurved bristle and on each side with 3–5 bristles 1–4 mm long, scabrid at base, upper bristles branched and sometimes with secondary bristles at base; lower pair 7–11 mm long, second pair 9–14 mm long, third pair 12–18 mm long, inner pair 15–20 mm long; bracteoles absent.
Morphology Reproductive morphology Flowers Calyx
Sepals green with brown veins or dorsal uniformly brown towards apex, puberulous and with scattered capitate glands, ciliate; dorsal ovate-elliptic, 22–26 mm long, narrowing gradually to the acute apex, withour or with 1–2 small lateral teeth per side, with numerous strong parallel secondary veins; ventral elliptic-obovate, 20–22 mm long, with 2 teeth 3–5 mm long and with a small recurved central tooth; lateral 18–20 mm long.
Morphology Reproductive morphology Flowers Corolla
Corolla yellow, 18–23 mm long of which the tube ± 6 mm, callus not ribbed, with 3 indistinct apical flanges; limb 8–12 mm wide, distinctly 3-lobed, indumentum beneath exclusively of capitate glands or with simple hairs intermixed, above of straight capitate glands and sometimes simple hairs apically and of bent hairs basally.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments 2–3 mm long, sparsely glandular; appendage ± 3 mm long, tapering gradually to an obtuse tip; anthers 2–3 mm long.
Morphology Reproductive morphology Fruits
Capsule and seed not seen.
Ecology
Brachystegia, Pterocarpus-Burkea and Isoberlinia woodland on white sandy soil or grey clayey loam; 900–1100 m
Note
But it also has unique characters: bristles branched, corolla-indumentum beneath of glandular hairs only (or with simple hairs intermixed) and above of straight capitate glands and sometimes simple hairs apically and of bent hairs basally. An extraordinary species which combines characters from Sect. Blepharis (flowers in 1-flowered spikes subtended by 4 pairs of decussate bracts with bristles) and Sect. Scorpioidea (spikes condensed into head-like inflorescences, glandular indumentum, lower sepal with long teeth and central tooth, long curved anther tooth).
Distribution
Flora districts: T4 Range: Tanzania. Range: Zambia Range: Zambia

Native to:

Tanzania, Zambia

Blepharis inopinata Vollesen appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Bidgood, S. [3883], Tanzania K000394253 isotype
Bidgood, S. [3883], Tanzania K000394255 holotype
Bidgood, S. [3883], Tanzania K000394254 isotype

First published in Blepharis (Acanthac.) Taxon. Revis.: 233 (2000)

Accepted by

  • Govaerts, R. (2001). World Checklist of Seed Plants Database in ACCESS E-F: 1-50919.
  • 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

  • Blepharis: 233 (2000).

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