Mitrasacmopsis quadrivalvis Jovet

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Photo: Bart Wursten
Northern slopes below Mt Dombe, Chimanimani Mts

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Synonyms:	Diotocranus lebrunii Bremek. Diotocranus lebrunii Bremek. var. sparsipilus Bremek.
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Description:	Slender annual herb, 8-40 cm high. Stems square, hairless or sparsely hairy. Leaves opposite, seesile or very shortly petiolate, elliptic-lanceolate, 0.8-3.2 cm long, somewhat rough above, hairless beneath or ciliate on the midrid; margin entire sometimes rolled under. Flowers in few-flowered terminal heads, small, white, pink or pale mauve. Capsule c. 2 mm wide, unusually shaped, cordate and bilobed at the baseand an apical obtuse beak c. 1 mm long, densely roughly pubescent.
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Derivation of specific name:	quadrivalvis: with four valves.
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Worldwide distribution:	Angola, Burundi, DRC, Tanzania, Mozambique and Madagascar.
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Spot characters:	Display spot characters for this species
Literature:	Timberlake, J., Darbyshire, I., Wursten, B., Hadj-Hammou, J., Ballings, P., Mapaura, A., Matimele, H., Banze, A., Chipanga, H., Muassinar, D., Massunde, J., Chelene, I., Osborne, J., Shah, T. (2016). Chimanimani Mountains: Botany and Conservation. Report produced under CEPF Grant 63512. Royal Botanic Gardens, Kew, London. Pages 47 - 48. Verdcourt, B. (1988). Rubiaceae, Part 1 Flora Zambesiaca 5(1) Pages 104 - 105. (Includes a picture). Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 98.

Other sources of information about Mitrasacmopsis quadrivalvis:

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Flora of Mozambique: Mitrasacmopsis quadrivalvis
Flora of Zambia: Mitrasacmopsis quadrivalvis

External websites:

African Plants: A Photo Guide (Senckenberg): Mitrasacmopsis quadrivalvis
BHL (Biodiversity Heritage Library): Mitrasacmopsis quadrivalvis
EOL (Encyclopedia of Life): Mitrasacmopsis quadrivalvis
GBIF (Global Biodiversity Information Facility): Mitrasacmopsis quadrivalvis
Google: Web - Images - Scholar
iNaturalist: Mitrasacmopsis quadrivalvis
IPNI (International Plant Names Index): Mitrasacmopsis quadrivalvis
JSTOR Plant Science: Mitrasacmopsis quadrivalvis
Mansfeld World Database of Agricultural and Horticultural Crops: Mitrasacmopsis quadrivalvis
Plants of the World Online: Mitrasacmopsis quadrivalvis
Tropicos: Mitrasacmopsis quadrivalvis
Wikipedia: Mitrasacmopsis quadrivalvis