Species
B. crassitepala
Photos
1 photo
Identity
- Genus
- Begonia
- Name
- B. crassitepala
- Author
- Y.H.Tan & M.B.Maw sp. nov
- Publication Date
- 2020
- Date of Origin
- 2016
- Place
- Putao District, Kachin State, Northern Myanmar
- Habitat
- tropical montane forest up to about 577 m elevation, on the moist soil slope.
- Country
- Myanmar (Burma)
- Region
- Asia
- Section
- Platycentrum
- Plant Type
- Rhizomatous
- Synonyms and Comments
- Etymology: refers to its thick tepals
- Reference
- PhytoKeys 138: 203–217 (2020): Taxonomic studies on Begonia (Begoniaceae) in Myanmar I: three new species and supplementary description of Begonia rheophytica from Northern Myanmar. Mya Bhone Maw, Hong-Bo Ding, Bin Yang, Pyae Pyae Win, Yun-Hong Tan
Plant
No populated fields in this section.
Lineage
Parents
No parentage recorded.
Etymology: refers to its thick tepals
Descendants
No recorded descendants.
Culture
- Endangered Status
- Data deficient
- Original Botanical Description or Link to
- Description. Perennial herb, monoecious, rhizomatous. Stem erect, 40−60 cm tall, reddish, densely rusty wooly tomentose, and sparsely covered by whitish soft spine-like hairs, internodes 1−2 cm long. Stipule lanceolate, 1−1.3 × 0.3−0.5 cm, slightly or densely rusty tomentose, deciduous. Leaf petiole 4.5−15 cm, densely rusty tomentose, slightly whitish stiff hairs; blade ovate to broadly ovate, base cordate with overlapping lobes, 12−20 × 15−19.5 cm, asymmetric, adaxially green, densely pinkish or grey hirsute, abaxially green, rusty puberulous, venation palmate-pinnate, densely rusty wooly tomentose along midrib and veins, margin denticulate, reddish hirsute along the margin, apex acuminate. Inflorescence nearly terminal, cymose, peduncle 4.4–6.0 cm long, reddish, slightly rusty wooly tomentose and whitish soft spine-like hairs. Staminate flower: pedicel 1.8–2.5 cm long, whitish villose, tepals 4, unequal, outer 2, ovate, 2.2−2.7 × 2.6−2.8 cm, whitish or pinkish with pink lining, thick, ca. 2 mm, inner 2, smaller, 1.7 × 2.1 cm, whitish or pinkish (sometimes with pinkish lining), densely whitish villose on the outer surface; stamen numerous, ca. 200; filaments ca. 2 mm long, fused at base; anther oblong to elliptic, 1–2 mm long. Pistillate flower: pedicel 2.2–2.5 cm, densely whitish or rusty villose, bracteoles absent; tepals 5, equal, obovate, outer 2, 2.0–2.9 × 1.8–2.0 cm, pure white or sometimes with pink lining, densely pinkish or whitish strigose on outer surface, margin entire, inner 3, similar to outer ones but smaller, 1.8–2.1 × 1.6–1.8 cm, ovary 2-locular, placentation axillary, placentae 2 per locule, densely reddish or whitish succulent strigose and tuberculate, styles 2, fused at base, stigma bifid with twisted bands, highly convolute, yellow or golden yellow. Fruit berry-like, elliptic, pale green to pink, 3 wings, unequal, with whitish or reddish succulent strigose and tuberculate (especially on wings).