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This genus is accepted, and its native range is Tropical & Subtropical Old World.
Aerva sp.

[FZ]

Amaranthaceae, C. C. Townsend. Flora Zambesiaca 9:1. 1988

Morphology General Habit
Perennial herbs (sometimes flowering in the first year), prostrate to erect or scandent.
Morphology Leaves
Leaves and branches opposite or alternate, leaves entire.
Morphology Reproductive morphology Flowers
Flowers hermaphrodite or dioecious, sometimes probably polygamous, bibracteolate, in axillary and terminal sessile or pedunculate bracteate spikes, one flower in the axil of each bract.
Morphology Reproductive morphology Flowers Perianth
Perianth segments 5, oval, or lanceolate-oblong, membranous margined with a thin to wider green centre, the perianth deciduous with the fruit but bracts and bracteoles persistent.
Morphology Reproductive morphology Flowers Androecium
Stamens 5, shortly monadelphous at the base, alternating with subulate or rarely narrowly oblong and truncate or emarginate pseudostaminodes; anthers bilocular.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary with a single pendulous ovule; style very short to slender and distinct; stigmas 2, short to long and filiform (sometimes solitary and capitate, flowers then probably functionally male).
Morphology Reproductive morphology Fruits
Capsule thin-walled, bursting irregularly.
Morphology Reproductive morphology Seeds
Seed compressed-reniform, firm, black.

[FTEA]

Amaranthaceae, C.C. Townsend. Flora of Tropical East Africa. 1985

Morphology General Habit
Perennial herbs (sometimes flowering in the first year), prostrate to erect or scandent
Morphology Leaves
Leaves and branches opposite or alternate, leaves entire
Morphology Reproductive morphology Flowers
Flowers hermaphrodite or dioecious, sometimes probably polygamous, bibracteolate, in axillary and terminal sessile or pedunculate bracteate spikes, one flower in the axil of each bract
Morphology Reproductive morphology Flowers Perianth
Perianth-segments 5, oval- or lanceolate-oblong, membranous-margined with a thin to wider green centre, the perianth deciduous with the fruit but bracts and bracteoles persistent
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5, shortly monadelphous at the base, alternating with subulate or rarely narrowly oblong and truncate or emarginate pseudostaminodes; anthers bilocular
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary with a single pendulous ovule; style very short to slender and distinct; stigmas 2, short to long and filiform (sometimes solitary and capitate, flowers then probably functionally ♂)
Morphology Reproductive morphology Fruits
Capsule thin-walled, bursting irregularly
Morphology Reproductive morphology Seeds
Seed compressed-reniform, firm, black.

[FSOM]

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

Morphology General Habit
Perennial herbs, sometimes flowering in the first year, prostrate to erect or scrambling, with opposite or alternate, entire leaves
Morphology Reproductive morphology Flowers
Flowers small, solitary in the axils of scarious bracts, in axillary or terminal sessile or pedunculate spikes, bisexual or dioecious, sometimes probably polygamous
Morphology Reproductive morphology Flowers Tepal
Tepals 5, hyaline, the inner 3 with a wide or narrower green vitta
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 5, shortly monadelphous and alternating with subulate or rarely narrowly oblong and truncate or incised pseudostaminodes
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 1-ovulate
Morphology Reproductive morphology Flowers Gynoecium Style
Style very short to slender; stigmas 2, short to long and filiform, sometimes capitate and solitary, the flowers then probably functionally male
Morphology Reproductive morphology Fruits
Capsule thin-walled, bursting irregularly.
Distribution
About 12 species in the tropics, chiefly African.

Native to:

Afghanistan, Algeria, Botswana, Burkina, Cameroon, Cape Verde, Chad, Djibouti, Egypt, Eritrea, Ethiopia, Gulf States, India, Iran, Iraq, Kenya, Lebanon-Syria, Libya, Madagascar, Malawi, Mali, Mauritania, Mauritius, Morocco, Mozambique, Myanmar, Niger, Nigeria, Oman, Pakistan, Palestine, Saudi Arabia, Senegal, Sinai, Socotra, Somalia, Sri Lanka, Sudan, Tanzania, Uganda, Western Sahara, Yemen

Extinct in:

Hawaii

Introduced into:

Myanmar

Aerva Forssk. appears in other Kew resources:

First published in Fl. Aegypt.-Arab.: 170 (1775)

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. 6, 1: 37.

Flora Zambesiaca

  • Fl. Aegypt.-Arab.: 170 (1775) nomen cons.

Flora of Somalia

  • Flora Somalia, Vol 1, (1993) Author: by C. C. Townsend [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • Fl. Aegypt.–Arab.: 170 (1775), nom. conserv.

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

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

Plants and People Africa
Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
© Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/