Petrocosmea grandiflora Hemsl.

Species

Angiosperms > Lamiales > Gesneriaceae > Petrocosmea

Characteristics

Petiole 0.2-8.5 cm, pilose; leaf blade elliptic or lanceolate to broadly ovate, 1.2-6.5 X 0.8-2.4 cm, adaxially sericeous, abaxially sparsely sericeous, hirsute along veins, base sometimes oblique, 1 side cuneate to broadly cuneate, other cordate to rounded or cuneate, sometimes peltate, margin shallowly crenate, apex acute to broadly acute; lateral veins conspicuous. Cymes 1-3-flowered; peduncle 2.5-5 cm, pilose; bracts linear, ca. 5 mm. Pedicel 1-1.4 cm. Calyx actinomorphic, 5-sect from base; segments equal, lanceolate, ca. 6 X 1.1 mm, outside appressed puberulent. Corolla blue, outside puberulent near base, inside glabrous; tube ca. 6 mm; adaxial lip 0.9-1.2 cm, distinctly 2-lobed; abaxial lip 1.3-1.5 cm. Filaments ca. 4 mm, puberulent; anthers oblong, ca. 2 mm, beakless; staminodes 3. Pistil 9-10 mm; ovary ca. 2 mm, pilose. Style pilose near base, glabrous above. Fruit unknown. Fl. Dec.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.1 - 0.5
Mature height (meter) -
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

Light 4-6
Soil humidity -
Soil texture -
Soil acidity 4-8
Soil nutriment -
Hardiness (USDA) 12-12

Usage

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

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Petrocosmea grandiflora world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:382290-1
WFO ID wfo-0001065066
COL ID 776PM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Petrocosmea grandiflora