Cyananthus delavayi Franch.

Species

Angiosperms > Asterales > Campanulaceae > Cyananthus

Characteristics

Caudexes branched; scales deltoid-lanceolate, ca. 2 × 1 mm. Stems caespitose, prostrate or ascending, slender, 7-20 cm, branched, white-or yellowish hispid, more densely so toward apex. Leaves alternate; blade suborbicular, ovate, or deltoid, 2-5 × 1-7 mm, abaxially silvery sericeous, adaxially hispidulous, base cuneate, obtuse, rounded, or truncate, margin slightly recurved, entire, sinuous, or crenulate, apex rounded or obtuse; petiole 1-3 mm, white hispid. Flowers solitary, terminal on main stems and some branches, each subtended by a whorl-like aggregation of 3-5 leaves; pedicels 3-9 mm. Calyx brown hirsute or glabrescent; tube cylindrical at anthesis, 4.5-9 × 3.5-7 mm, base rounded or truncate, becoming enlarged in fruit; lobes narrowly triangular, 1.5-4 × 1-3 mm, both sides hirsute. Corolla blue, tubular-campanulate, 1.8-3.4 cm, outside glabrous, inside densely villous at throat; lobes linear-oblong, 6-12 mm. Ovary 5-locular, subequal to calyx in length at anthesis; style extending to corolla throat; stigma 5-fid. Capsules conical, longer than calyx. Seeds brown, oblong or ellipsoid, ca. 1.8 × 0.3 mm. Fl. Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
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 5-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-7

Usage

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

Cultivation

Mode -
Germination duration (days) 14 - 60
Germination temperacture (C°) 15 - 18
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Cyananthus delavayi world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:141866-1
WFO ID wfo-0000830758
COL ID 32N89
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cyananthus microrhombeus Cyananthus barbatus Cyananthus microrhombeus var. leiocalyx Cyananthus delavayi