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Begonia leaves with red veins growing on a mossy log

Welcome to the Begonia Wiki

With over 2000 accepted species and new discoveries made every year, Begonia is one of the largest and most diverse flowering plant genera on Earth. Combine that rich natural history with thousands of hybrids created across more than 150 years of cultivation, and you get a group of plants with staggering variety.

This database is dedicated to documenting every Begonia species and cultivar, building a definitive, comprehensive resource for growers, hybridizers, and plant enthusiasts alike. For more info

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Species records missing key data, grouped by what's missing. Click a category to see and fix individual records. Cultivars and Unknown-classification records aren't included.

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Chronological feed of featured begonias, species spotlights, and highlights with dates submitted.

B. stenoptera

Flora of Costa Rica. Begoniaceae. by Paul C. Standley. Chicago 1937. v. 18: pt. 2 (1937): Page 737-48 http://www.biodiversitylibrary.org/item/19747 Branches densely pilose; leaves long-petiolate, the petioles densely pilose; blades ovate, 10 cm. long, acuminate, very unequal at the base and rounded on each side, pilose on both surfaces; peduncles shorter than the petioles, the cymes few-flowered, the pedicels pilose; flowers greenish white or pinkish, 5 mm. long; sepals 2 in the staminate flower, glabrous; pistillate flowers 3-lobate; capsule 10 mm. long, the wings subequal, very narrow, pilose on the margins.
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Classification: Species
Plant Type: Unknown
Botanical Section: Parietoplacentalia
Origin: America, Costa Rica
Originator: C. DC.
Date of Origin: 1919

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