Mitracarpus hirtus (L.) DC.

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Mitracarpus hirtus

Picture: Bart Wursten
Yangambi, DRC © National Botanic Garden of Belgium

Mitracarpus hirtus

Picture: Bart Wursten
Yangambi, DRC © National Botanic Garden of Belgium

Mitracarpus hirtus

Picture: Bart Wursten
Yangambi, DRC © National Botanic Garden of Belgium

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Synonyms: Mitracarpus scaber Zucc.
Mitracarpus verticillatus (Schumach. & Thonn.) Vatke
Mitracarpus villosus (Sw.) DC.
Spermacoce hirta L.
Spermacoce villosa Sw.
Staurospermum verticillatum Schumach & Thonn.
Common names:
Frequency:
Status: Native
Description:
Erect or spreading annual herb up to 40 cm tall; branchlets pubescent with short curled more or less appressed hairs and often with spreading ones as well. Leaves elliptic, 1–6 cm long, scabrid-pubescent above often only when young, mostly hairless beneath except for hairs on the main veins; margins often scabrid; petiole c. 1 mm long, often densely pubescent and with ciliate margins; stipule sheath 1–3 mm long, divided into 6–9(15) fimbriae, 1–5 mm long, ciliate. Inflorescences numerous, present in most axils, subglobose, up to 1.8 cm in diameter; flowers sessile or almost so; bracteoles white, 1–2 mm long. Calyx with 4 lobes, 2 narrower than the others, all with usually ciliate margins and often hairy below. Corolla white, hairless or slightly hairy outside; tube 1.4–1.9 mm long; lobes ovate, c. 1 mm long. Capsule straw-coloured, c. 1 mm long and wide.
Type location:
Jamaica
Notes:
Derivation of specific name:
Habitat: A weed of disturbed areas and road sides, by dambos and on dry rocky hills.
Altitude range: 500 - 1200 m
Flowering time:
Worldwide distribution: Widespread in tropical Africa as far South as Angola, northern Zambia and Malawi. Also in Seychelles, Cape Verde Islands, India,Burma, New Guinea, Marianas Islands, West Indies and tropical South America.
Zambian distribution (Flora Zambesiaca): N
Zambian distribution (Provinces): Lp
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Saturday 6 September 2014
Literature:

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 89.

Verdcourt, B. (1988). Rubiaceae, Part 1 Flora Zambesiaca 5(1) Pages 188 - 190. (Includes a picture).

Other sources of information about Mitracarpus hirtus:

Our websites:

Flora of Malawi: Mitracarpus hirtus

External websites:

African Plants: A Photo Guide (Senckenberg): Mitracarpus hirtus
BHL (Biodiversity Heritage Library): Mitracarpus hirtus
EOL (Encyclopedia of Life): Mitracarpus hirtus
ePIC (electronic Plant Information Center): Mitracarpus hirtus
Flora Zambesiaca web site: Mitracarpus hirtus
GBIF (Global Biodiversity Information Facility): Mitracarpus hirtus
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Mitracarpus hirtus
iNaturalist: Mitracarpus hirtus
IPNI (International Plant Names Index): Mitracarpus hirtus
JSTOR Plant Science: Mitracarpus hirtus
Kew Herbarium catalogue: Mitracarpus hirtus
Mansfeld World Database of Agricultural and Horticultural Crops: Mitracarpus hirtus
Plants of the World Online: Mitracarpus hirtus
Tropicos: Mitracarpus hirtus
Wikipedia: Mitracarpus hirtus


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-21

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2021). Flora of Zambia: Species information: Mitracarpus hirtus.
https://www.zambiaflora.com/speciesdata/species.php?species_id=189990, retrieved 15 May 2021

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