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

[FZ]

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

Morphology General Habit
Shrub to 3(–4) m tall; young branches pale yellowish brown, ± 4-angled and longitudinally ridged, sparsely antrorsely sericeous on two sides, very quickly glabrescent, older branches grey to dark grey or purplish grey.
Morphology Leaves
Leaves sparsely antrorsely sericeous along midrib and larger veins, sessile or with ill-defined petiole to 2 mm long; lamina ovate to elliptic or broadly so, largest 6–15 × 3–6 cm; apex subacuminate to obtuse; base attenuate, decurrent to stem.
Morphology Reproductive morphology Flowers
Flowers in a 1-flowered cymule enclosed by pairs of bracts and bracteoles, sometimes 2(3) cymules per axil; peduncle absent or to 1 mm long; bracts uniformly green, ovate to triangular, 2–3.5 mm long, subacute to obtuse, densely minutely antrorsely sericeous; bracteoles triangular or ovate-triangular, 2–3.5 mm long, with similar indumentum.
Morphology Reproductive morphology Flowers Calyx
Calyx 2.5–4 mm long, divided to c.1 mm from base, with similar indumentum; lobes narrowly triangular, subacute, with faint white edges and conspicuous rib-like midrib.
Morphology Reproductive morphology Flowers Corolla
Corolla tube yellow, limb bright orange, orange-red or bright red, 4–5.2 cm long, glandular puberulous and with long pilose hairs, densest at base; tube 1.4–1.6 cm long, 2.5–4 mm wide; upper lip 2.6–3.6 cm long, lower lip 2.5–3.5 cm long, lobes 2–3 mm long.
Morphology Reproductive morphology Flowers Androecium Stamens
Filaments 2.5–3.5 cm long; thecae 2.5–3.5 mm long.
Morphology Reproductive morphology Fruits
Capsule and seeds not seen (see note).
Distribution
Also in Tanzania.
Ecology
In mopane woodland, bushland and dry riverine scrub; 100–300 m.
Conservation
Conservation notes: Widespread; not threatened.

Native to:

Malawi, Mozambique, Tanzania, Zimbabwe

Anisotes sessiliflorus (T.Anderson) C.B.Clarke appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jun 12, 1897 Meller, C.J. [3], Malawi K000378843
Meller, C.J. [3], Malawi K000378842 Unknown type material

First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 5: 226 (1900)

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 F.T.A. 5: 226 (1900).
  • —Vollesen in F.T.E.A., Acanthaceae 2: 662 (2010).

Kew Backbone Distributions

  • Darbyshire, I., Vollesen, K. & Kelbessa, E. (2015). Flora Zambesiaca 8(6): 1-314. Royal Botanic Gardens, Kew.

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