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

[FTEA]

Acanthaceae (part 2), Kaj Vollesen. Flora of Tropical East Africa. 2008

Type
Type: Malawi, 20 km N of Kasungu, Dwangwa River, Pawek 3908 (K!, holo.; SRGH!, iso.)
Morphology General Habit
Much branched viscid aromatic annual (? sometimes short-lived perennial) herb; stems erect, trailing or scrambling, up to 1 m tall, finely puberulous and with usually dense thin glossy white pilose hairs up to 4 mm long, with scattered stalked capitate glands
Morphology Leaves
Leaves with petiole 1.4–2.2 cm long; lamina ovate-oblong, largest 2.5–5.2 × 4.5–9.5 cm, apex acute with an obtuse tip, base cuneate, margin entire to slightly crenate, beneath puberulous with long thin hairs and with scattered broad hairs, above subglabrous
Morphology Reproductive morphology Inflorescences
Panicle rather narrow, 10–20 cm long, occasionally with vegetative growth continuing at apex; indumentum as stems; primary bracts as leaves, from leaf-size down to 8 × 6 mm near apex, indumentum as leaves or denser and with capitate glands; secondary bracts elliptic to orbicular, 2–10 × 2–6 mm; pedicels 0.5–4 mm long, puberulous and with capitate glands
Morphology Reproductive morphology Flowers Calyx
Calyx puberulous, with long pilose hairs and with usually numerous stalked glands; lobes linear, tapering or spathulate, ventral and lateral 9–14 mm long, dorsal 14–18 mm long.
Morphology Reproductive morphology Flowers Corolla
Corolla blue to purple, 32–40 mm long, finely puberulous outside; tube 13–15 mm long; lower lip 20–25 mm long, with long stiff hairs in central part, lobes ovate, 3–5 mm long; anthers 4–5 mm long, glabrous; staminodes 3–4 mm long.
Morphology Reproductive morphology Fruits
Capsule 13–18 mm long, the valves 2–3 mm wide, finely glandularpuberulous in apical half and ± scattered non-glandular hairs
Morphology Reproductive morphology Seeds
Seed ± 1.5 mm long.
Ecology
Riverine forest, riverbanks; ± 450 m
Distribution
Range: Malawi, Mozambique Flora districts: T6 T8

Native to:

Malawi, Mozambique, Tanzania

Brillantaisia riparia (Vollesen & Brummitt) Sidwell appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Pawek, J. [3908], Malawi K000393844 holotype

First published in Bull. Nat. Hist. Mus. (London), Bot. 28: 86 (1998)

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

  • Bull. Nat. Hist. Mus. London 28: 86, fig. 9 (1998).

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