Species
B. tenuifolia
Photos
5 photos
Identity
- Genus
- Begonia
- Name
- B. tenuifolia
- Author
- Dryander, Trans. Linn. Soc.
- Publication Date
- 1791
- Place
- Java, Sumatra, Bali, Nusa Tenggara
- Habitat
- In shade on steep gullies, stony and sometimes on karst limestone at 50-900 m.
- Country
- Indonesia
- Region
- Asia
- Chr 2n
- 22
- Plant Type
- Tuberous
- Synonyms and Comments
- Etymology: Latin tenuis (thin) after the delicate thin leaves; B. U430?; B. lineata N. E. Brown, Gard. Chron. II 18:199. 1882. —Backer & Van den Brink, Fl. Java 1:308. 1964. —L.B. Smith & D.C. Wasshausen, Phytologia 54:468. 1984.; B. varians A. de Candolle, Ann. Sci. nat., Bot. ser. 4. 11:135. 1859;
- Reference
- Trans. Linn. Soc. 1:162, pl. 14:fig. 4. 1791; JGSL9/08; D. Girmansyah, Bali and Lombok species of Begonia (begoniaceae): 2008;
- Article References
- Tebbitt, Begonias 5:231. 2005; Hughes M. et al., Asian Begonia 319, 2018;
- Photo References
- Hughes M. et al., Asian Begonia 319, 2018; The Begonian, May 1954; The Begonian, Dec 1947; Beg 90 p 222-3 Nov/Dec 2023;
Plant
- Description
- Deciduous; As B. lineata, (N. E. Brown. in Gard. Chron. 1882, vol. xvii. p. 199) from Hortus Veitchii: London: J. Veitch & sons, 1906. Page 231-34. A pretty species, which dies down annually, with a tuberous rootstock, and blackish-green leaves covered with silvery spots, sent home from Java by Curtis.
- Stem Type
- Underground with erect stems
Lineage
3 descendants
Parents
No parentage recorded.
Etymology: Latin tenuis (thin) after the delicate thin leaves; B. U430?; B. lineata N. E. Brown, Gard. Chron. II 18:199. 1882. —Backer & Van den Brink, Fl. Java 1:308. 1964. —L.B. Smith & D.C. Wasshausen, Phytologia 54:468. 1984.; B. varians A. de Candolle, Ann. Sci. nat., Bot. ser. 4. 11:135. 1859;
Descendants
3 recorded children
As female parent
3
As male parent
0
No children recorded with this plant as the male parent.
Culture
- Original Botanical Description or Link to
- D. Girmansyah, Bali and Lombok species of Begonia (begoniaceae): 2008 “Stem pale green, succulent, weak, erect, 2- 25 cm tall, diameter 1-4 mm, little branched, densely or sparsely hairy, hairs short, white; tuber small, c. 5 mm. Stipules caducous. Leaves oblique, distant, 1–3 or more on each stem or branchlet; petioles translucent, pale green or whitish green, densely to sparsely hairy, 0.5-10 cm long, flat or grooved above; lamina dull plain green above and whitish or pale reddish beneath; thin and soft in life, thinly papery when dried, broadly ovate, asymmetric, 1.5–8.5 x 1.2-6 cm, broad side 0.7-3.2 cm, base unequally cordate, basal lobes not overlapping, 0.3-2.3 cm long, margin minutely toothed with sparse hairs, sometimes undulate, apex blunt or rounded; venation palmate-pinnate, 4–5 pairs of veins, with another 2 in the basal lobe, plane or slightly impressed above, beneath slightly prominent, whitish green or reddish. Inflorescences terminal, reddish white, glabrous, longer than the leaves, peduncle 5-20 cm long, branched, 1–4 cm long, protandrous. Male flowers pure white to pinkish white pedicel 10-11 mm long; tepals 4, margin entire, tip rounded, outer two rounded, 7-10 x 6-7 mm, inner two narrowly oval, 7-10 x 2.5-.3 mm; stamens many, cluster globose, stalk 2 mm long; filament 0.5–0.75 mm long; anther yellow, obovate, c. 1 mm long, tip rounded, opening by slits. Female flowers white to pinkish white, pedicel 5-12 mm long, ovary pinkish white, wings 3, unequal, locules 2, placentas 2 per locule; tepals 5, white, ovate, margin entire, tip rounded, outer one bigger , 9-12 x 3-4 mm, innermost one smaller, 6-11 x 2-3 mm; styles 2, Y-shaped, styles and stigmas yellow, style 3-4 mm long, stigma spiral, 1.5-2 mm long. Fruit pinkish white or pale green, capsule 5-6 mm wings 3, unequal, larger wing 3-7 mm wide, smaller two 2-3 mm wide. Seeds brown, ellipsoid to oblong, 0.3-3.5 mm long, collar cell a half or 3/4 the seed length.”