Begonia samhaensis

Begonia samhaensis is a species in the family Begoniaceae. Similar to Begonia socotrana but separated by the asymmetrically ovate leaves and the unequal tepals in the male flowers; outer tepals broadly orbicular, 1.5–2.2 × 1.7–2.5 cm; inner obovate elliptic, 1.4–2.0 × 0.8 × 1.4 cm.

Begonia samhaensis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Cucurbitales
Family: Begoniaceae
Genus: Begonia
Species:
B. samhaensis
Binomial name
Begonia samhaensis
M.Hughes & A.G.Mill.

Ecology

Damp and shady cracks in north-facing limestone cliffs, 600–700 metres (2,000–2,300 ft) on the island of Samhah in the Socotra Archipelago, Yemen. Grows on north facing cliffs on the summit pinnacle and escarpments of the limestone plateau at the centre of Samhah island. Its area of occupation is less than 10 km2. The cliffs where it grows catch precipitation and mists principally from the NE monsoon and represent a unique habitat on Samhah island.

Botanical notes

Unlike B. socotrana, B. samhaensis flowers after rain and is not reliant on short day-length.

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References
  1. A. Miller (2004). "Begonia samhaensis". The IUCN Red List of Threatened Species. IUCN. 2004: e.T44772A10947033. doi:10.2305/IUCN.UK.2004.RLTS.T44772A10947033.en. Retrieved 13 January 2018.
  • Anthony G. Miller & Mirranda Morris (2004). The Ethnoflora of the Soqotra Archipelago. Royal Botanic Garden Edinburgh. ISBN 1-872291-59-7.


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