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

[FTEA]

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

Morphology General Habit
Erect or procumbent annual herb; stems up to 35 cm long, finely sericeous on one side.
Morphology Leaves
Leaves very dissimilar: the laminate pair of each whorl with lamina linear-lanceolate to narrowly elliptic, largest 4–7.5 × 0.4–1.3 cm, margin entire, glabrous below but for a few hairs along midrib, above with puberulous midrib, scabrid along margins; the alternate pair reduced to robust very pungent 3-fid spines, central tooth 3–10 mm long, lateral shorter.
Morphology Reproductive morphology Flowers
Heads from near base to top of stems; floral leaves and outer bracts lanceolate, up to 3.5(–5) cm long, very finely sericeous, no capitate glands; inner bracts 1–2 cm long, linear-lanceolate.
Morphology Reproductive morphology Flowers Calyx
Sepals with indument as bracts, finely ciliate; dorsal ovate-elliptic, 11–14 mm long, narrowing gradually to the cuspidate apex, no lateral teeth; ventral similar, 10–13 mm long, with two acuminate teeth; lateral 9–11 mm long.
Morphology Reproductive morphology Flowers Corolla
Corolla pale blue to bright blue (rarely white), 9–14 mm long of which the tube 2.5–5 mm; callus with 3 indistinct apical flanges.
Morphology Reproductive morphology Flowers Androecium Stamens Filaments
Filaments ± 1 mm long, ± included in tube, glabrous; appendage 1–1.5 mm long, rounded; anthers 1–1.5 mm long.
Morphology Reproductive morphology Fruits
Capsule 6–7 mm long.
Morphology Reproductive morphology Seeds
Seed ovoid, ± 5 × 3 mm.
Distribution
Range: Not known elsewhere Range: Tanzania. Flora districts: T1 T2 T4 T5 T7 Range: Not known elsewhere
Ecology
Acacia bushland on seasonally waterlogged loamy to clayey alkaline hardpans; 700–1400 m

Native to:

Tanzania

Blepharis trispina Napper appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1997 Welch, J.R. [566], Tanzania K000394252 holotype
Bidgood, S. [6380], Tanzania K000468045
Bidgood, S. [6303], Tanzania K000468122
Bidgood, S. [6269], Tanzania K000468156
Bidgood, S. [6179], Tanzania K000468246

First published in Kew Bull. 24: 328 (1970)

Accepted by

  • Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.
  • Vollesen, K. (2008). Flora of Tropical East Africa, Acanthaceae(1): 1-285.

Literature

Flora of Tropical East Africa

  • K.B. 24: 328 (1970)
  • Lebrun & Stork, Enum. Pl. Afr. Trop. 4: 474 (1997)
  • Vollesen, Blepharis: 242 (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