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This genus is accepted, and its native range is Gabon to Tanzania, Madagascar.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
Perennial herb without cystoliths.
Morphology Leaves
Leaves opposite.
Morphology Reproductive morphology Flowers
Flowers one per bract, alternate, in open terminal racemes, pedicellate; bracts glumaceous, fused to the pedicel, persistent; bracteoles glumaceous, similar to the larger sepals, inserted on and fused to base of calyx, covering the two lateral sepals.
Morphology Reproductive morphology Flowers Calyx
Calyx deeply divided into 5 unequal sepals, two lateral small and hyaline, dorsal and two ventral larger, glumaceous.
Morphology Reproductive morphology Flowers Corolla
Corolla 2-lipped, campanulate; tube widened almost from base; upper lip 2-lobed, hooded; lower lip 3-lobed, with flat lateral lobes and spoon-shaped median lobe without rugula.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, included in corolla-tube; anthers 2-thecous, thecae elliptic, with a filiform appendage at base, divergent, inserted at same height on a broad connective; staminode absent.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary partly 2-locular, with numerous ovules; style linear; stigma 2-lobed, upper lobe small, lower larger, truncate.
Morphology Reproductive morphology Fruits
Capsule sessile oblong-triangular, obtuse, apical part sterile and recurved at maturity, ± included in calyx, glabrous; retinaculae papilliform, unindurated.
Morphology Reproductive morphology Seeds
Seed papillose.
Distribution
Range: One species in Central Africa.

Native to:

Burundi, Gabon, Madagascar, Rwanda, Tanzania, Zaïre

Saintpauliopsis Staner appears in other Kew resources:

First published in Bull. Jard. Bot. État Bruxelles 13: 8 (1934)

Accepted by

  • Daniel, T.D. & McDade, L.A. (2014). Nelsonioideae (Lamiales: Acanthaceae): revision of genera and catalog of species Aliso 32: 1-45.
  • Lewalle, J. (1970). Liste floristique et répartition altitudinale de la flore du Burundi occidental: 1-84. Université officielle de Bujumbura.

Literature

Flora of Tropical East Africa

  • B.J.B.B. 13: 8 (1934)
  • B.J.B.B. 61: 154 (1991)
  • Not. Roy. Bot. Gard. Edinb. 22: 313 (1958)

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/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