Didymocarpus villosus D.Don

Species

Angiosperms > Lamiales > Gesneriaceae > Didymocarpus

Characteristics

Stems to 9 cm, spreading villous. Leaves crowded near stem apex; petiole 1-16 mm; leaf blade elliptic to rhombic, ovate, or obovate, 2.5-7.2 X 2-5 cm, herbaceous to papery, adaxially densely villous to appressed puberulent, sparsely yellow glandular, abaxially densely villous to sparsely puberulent, sparsely yellow glandular, base oblique, broadly cuneate to subcordate, margin irregularly double dentate to crenate, apex acute to rounded; lateral veins 3 or 4 on each side of midrib. Cymes 2-5-flowered; peduncle 2-5 cm, glabrous; bracts connate at base, broadly ovate, ca. 2 mm, glabrous, margin entire. Pedicel 5-10 mm. Calyx slightly zygomorphic, ca. 4 mm; limb indistinctly 2-lipped, 5-lobed; tube 2.2-2.5 mm; lobes nearly equal, triangular to orbicular, 1-1.5 mm, glabrous, margin entire. Corolla dark purple, to 2.2 cm, glabrous; tube cylindric, ca. 1.5 cm X 4 mm; adaxial lip ca. 3 mm; abaxial lip ca. 7 mm. Stamens glabrous; filaments ca. 1.8 mm; anthers ca. 1.2 mm; staminode 1, ca. 0.6 mm. Pistil ca. 1.3 cm, glabrous; ovary ca. 1 cm. Capsule 1.4-2 cm. Fl. Jun-Jul.
More
A herb. It grows 15 cm high. The leaf stalk is 1-16 mm long. The leaves are oval and wedge shaped. The leaf blade is 2.5-7.2 cm long by 2-5 cm wide. There are soft hairs on the upper surface. The flowers are purple. They occur in many flowered flat topped arrangements. The fruit is a capsule. The tip is curved.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate plant. In Nepal it grows at 1000-2400 m altitude. In China it grows on stony cliffs in valleys between 2,100-2,700 m above sea level.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-11

Usage

The tender stems are cooked as a vegetable.
Uses -
Edible leaves
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

It is grown by seeds or by splitting the rhizome.
Mode -
Germination duration (days) 14 - 56
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Didymocarpus villosus world distribution map, present in Bhutan, China, and Nepal

Identifiers

LSID urn:lsid:ipni.org:names:380629-1
WFO ID wfo-0000647031
COL ID 35YJN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Henckelia villosa Roettlera villosa Didymocarpus villosus