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This species is accepted, and its native range is SW. & S. Tanzania to NE. Zambia.
A specimen from Kew's Herbarium

[FZ]

Flora Zambesiaca Acanthaceae (part 2) by Iain Darbyshire, Kaj Vollesen and Ensermu Kelbessa

Morphology General Habit
Shrub or small tree, sometimes scrambling, to 5 m tall; young branches 4-angled, antrorsely sericeous or sparsely so or puberulous, soon glabrescent.
Morphology Leaves
Leaves sparsely antrorsely sericeous or puberulous along major veins; petiole to 3.5 cm long; lamina narrowly elliptic to elliptic (rarely slightly obovate), largest 6.5–22.5 × 2.5–6.5 cm; apex subacuminate, base attenuate, decurrent.
Morphology Reproductive morphology Flowers
Flowers solitary or 2 towards base of cyme, in axillary dorsiventral 1–4 cm long racemoid cymes from near branch apex; peduncle 2–4 cm long, antrorsely sericeous to puberulous; rachis with similar indumentum; bracts imbricate or not, uniformly green, narrowly ovate-elliptic, (0.3)1.1–1.7 × (0.1)0.3–0.7 cm (see note), sparsely antrorsely sericeous on veins, ciliate, apex subacuminate, base cuneate to attenuate; bracteoles similar in colour and indumentum, lanceolate to narrowly triangular, 2–7 × 1–2 mm.
Morphology Reproductive morphology Flowers Calyx
Calyx (4)5–8 mm long, divided to c.2 mm from base, whitish puberulous or sparsely so, with sessile gland dots; lobes narrowly ovate to narrowly triangular, acuminate.
Morphology Reproductive morphology Flowers Corolla
Corolla purple, (2.2)3–3.5 cm long, glandular puberulous; tube (0.8)1–1.5 cm long, 2 (base) to 4 (apex) mm in diameter; upper lip (1.4)2–2.5 cm long, lower lip 1.5–2 cm long, divided almost to base.
Morphology Reproductive morphology Flowers Androecium Stamens
Filaments (1)1.5–2 cm long; thecae 1.5–2 mm long.
Morphology Reproductive morphology Fruits
Capsule 4-seeded, 2–2.3 cm long, densely pubescent with non-glandular hairs and scattered short capitate glands.
Morphology Reproductive morphology Seeds
Seeds discoid, reticulate-tuberculate, with very weak ridge on inside, c.5 × 4 mm.
Distribution
Also in Tanzania.
Ecology
In wet evergreen montane forest; 1700–2000 m.
Conservation
Conservation notes: Local montane distribution; possibly Near Threatened.

Native to:

Malawi, Tanzania, Zambia

Anisotes nyassae Baden appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Sep 14, 1979 Müller, T. [1675], Malawi K000378844 holotype

First published in Nordic J. Bot. 1: 36 (1981)

Accepted by

  • Darbyshire, I., Vollesen, K. & Kelbessa, E. (2010). Flora of Tropical East Africa, Acanthaceae (Part 2): 287-756.
  • Darbyshire, I., Vollesen, K. & Kelbessa, E. (2015). Flora Zambesiaca 8(6): 1-314. Royal Botanic Gardens, Kew.
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne.

Literature

Flora Zambesiaca

  • in Nordic J. Bot. 1: 36 (1981).
  • —Vollesen in F.T.E.A., Acanthaceae 2: 656 (2010).
  • —White et al., Evergr. For. Fl. Malawi: 113 (2001).

Flora Zambesiaca
Flora Zambesiaca
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