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This genus is accepted, and its native range is Tropical & S. Africa to N. Queensland.
Asystasia sp.

[FSOM]

M. Thulin et al. Flora of Somalia Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Herbs or shrubs
Morphology Leaves
Leaves entire, sometimes with undulate margin
Morphology Reproductive morphology Flowers
Flowers in lax to dense spikes or racemes
Morphology Reproductive morphology Flowers Calyx
Calyx of 5 subequal lobes
Morphology Reproductive morphology Flowers Corolla
Corolla with funnel-shaped tube and 5 subequal lobes
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4; anthers 2-celled
Morphology Reproductive morphology Fruits
Capsule 4-seeded
Morphology Reproductive morphology Seeds
Seeds tuberculate with irregular outline or smooth and glabrous with even margin.
Distribution
Old World genus of some 60 species, the majority in tropical Africa.

[FZ]

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

Morphology General Habit
Herbs or shrubs.
Morphology Leaves
Leaves opposite, entire (rarely undulate to serrate).
Morphology Reproductive morphology Flowers
Flowers in terminal or axillary spikes or racemes; bracts persistent, prominent or not; bracteoles usually minute, rarely large.
Morphology Reproductive morphology Flowers Calyx
Calyx deeply divided into 5 lobes, one lobe longer and slightly wider than others.
Morphology Reproductive morphology Flowers Corolla
Corolla indistinctly 2-lipped with 5 subequal lobes, lower mid-lobe largest and usually distinctly rugulate, or moderately to strongly 2-lipped, with a 3-lobed lower and 2-lobed upper lip; basal tube cylindric, widening upwards into a ± distinct throat.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, inserted in throat, subequal to distinctly didynamous, included in tube, more rarely exserted; anthers bithecous, thecae slightly superposed, each with 1 (rarely 2 or 3) spurs at base or apiculate.
Morphology Reproductive morphology Flowers Gynoecium Style
Style filiform, pubescent in basal part or glabrous; stigma capitate with 2 equal or subequal flat ellipsoid lobes; ovary with 2 ovules per locule.
Morphology Reproductive morphology Fruits
Capsule 2–4-seeded, clavate with sterile solid basal stalk about half total length.
Morphology Reproductive morphology Seeds
Seeds compressed, rarely globose, ± circular in outline, with or without a thickened irregularly crenate margin, surfaces tuberculate, rugose, rugose-tuberculate or rarely smooth.
Distribution
A genus of about 50 species, centred in tropical Africa with the highest diversity in eastern Africa to South Africa; also in India, SE Asia, and through Indonesia to New Guinea, Australia and the Pacific. One species introduced to the Americas.

Native to:

Andaman Is., Angola, Assam, Bangladesh, Benin, Botswana, Burkina, Burundi, Cambodia, Cameroon, Cape Provinces, Caprivi Strip, Central African Repu, Chad, China South-Central, China Southeast, Christmas I., Comoros, Congo, Djibouti, Equatorial Guinea, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Gulf of Guinea Is., India, Ivory Coast, Jawa, Kenya, KwaZulu-Natal, Laos, Lesser Sunda Is., Liberia, Madagascar, Malawi, Mali, Maluku, Mozambique, Myanmar, Namibia, New Guinea, Niger, Nigeria, Northern Provinces, Northern Territory, Oman, Queensland, Rwanda, Saudi Arabia, Senegal, Sierra Leone, Socotra, Somalia, Sri Lanka, Sudan, Sulawesi, Swaziland, Tanzania, Thailand, Togo, Uganda, Vietnam, Western Australia, Yemen, Zambia, Zaïre, Zimbabwe

Introduced into:

Alabama, Bahamas, Belize, Brazil Southeast, Caroline Is., Cayman Is., Costa Rica, Cuba, Dominican Republic, El Salvador, Fiji, Florida, Gilbert Is., Hainan, Haiti, Hawaii, Honduras, Jamaica, Leeward Is., Madeira, Malaya, Marianas, Marquesas, Marshall Is., Mauritius, Nauru, New Caledonia, Nicaragua, Niue, Panamá, Puerto Rico, Rodrigues, Réunion, Society Is., South China Sea, Taiwan, Tonga, Trinidad-Tobago, Venezuela, Venezuelan Antilles, Windward Is.

Asystasia Blume appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Keay, R.W.J. [25037], Nigeria 4207.000
Cable, S. [527], Cameroon 61754.000

First published in Bijdr. Fl. Ned. Ind.: 796 (1826)

Accepted by

  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne.

Literature

Flora of West Tropical Africa

  • —F.T.A. 5: 130.

Flora Zambesiaca

  • Bijdr.: 796 (1826).
  • —Nees in in De Candolle, Prod. 11: 163 (1847).

Flora of Somalia

  • Flora Somalia, (2000) Author: by M. Hedrén [updated by M. Thulin 2008]

Art and Illustrations in Digifolia
Digital Image © Board of Trustees, RBG Kew

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens

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

Kew Science Photographs
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/