Begonia macrotoma Irmsch.

Species

Angiosperms > Cucurbitales > Begoniaceae > Begonia

Characteristics

Herbs, to 40 cm tall. Rhizomes elongate, 5-20 mm in diam. Stems glabrous. Leaves basal and cauline; stipules ovate, ca. 1.9 × 1.2 cm, glabrous; petiole 7-15.5 cm, glabrous; blade oblong, slightly asymmetric, 12-15 × 14-18 cm, abaxially glabrous, adaxially sparsely hirsute, venation palmate, 5-7-veined, base slightly oblique, cordate, margin irregularly serrulate, divided to 2/3 of leaf length; lobes 5-7, apex acuminate; lobules present. Inflorescence glabrous; peduncle 5-15 cm; bracts oval, ca. 13 × 8 mm. Staminate flowers: pedicel ca. 1.9 cm; tepals 4, pink, outer 2 broadly elliptic, ca. 10 × 7 mm, inner 2 ovate, ca. 7 × 5 mm; stamens numerous; filaments 1-2 mm; anthers oblong, 1-1.2 mm; connectives elongate. Pistillate flowers: pedicel 1.4-2 cm; ovary obovoid, ca. 1.2 cm, 2-loculed; placentae axile, bilamellate; tepals ?3, outer 2 broadly elliptic, ca. 1.5 × 1.1 cm, inner 1 elliptic, ca. 12 × 7 mm; styles 2.5-6 mm, fused to halfway; stigmas 2, spiraled. Capsule nodding, obovoid-oblong, 1.5-2 cm × ca. 7 mm, unequally 3-winged; abaxial wing ca. 4 mm; lateral wings smaller. Fl. Aug, fr. Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 15 - 60
Germination temperacture (C°) 21 - 26
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Begonia macrotoma world distribution map, present in China, India, Myanmar, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:105127-1
WFO ID wfo-0000824697
COL ID 5WFCN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Begonia macrotoma