Corydalis davidii Franch.

Species

Angiosperms > Ranunculales > Papaveraceae > Corydalis

Characteristics

Herbs, perennial, 20-100 cm tall. Roots several, yellow, dark brown and wiry when dried, linear, 8-10 cm, stout, 1-1.5 mm in diam.; rootstock short, with bases of rosette leaf petioles becoming fleshy, forming a bulblike structure at apex. Stems few to several, narrowly winged-ridged, sparingly branched, with 3-6 leaves throughout, erect to ascending or some stems far creeping, rooting at nodes. Radical leaves few, very long stalked; petiole 9-22 cm, vaginate and fleshy at base; blade glaucous abaxially, green adaxially, broadly triangular, 7-13 × 8-13 cm, triternate; pinnae long petiolulate; pinnules shortly petiolulate; ultimate leaflets ovate to obovate to nearly orbicular, 1-2(-3) × 0.5-1.5(-2.5) cm, entire, obtuse, mucronulate. Cauline leaves like radical leaves but smaller, vaginate at base, petiole forming small angle to stem. Racemes 3-10 cm, dense, 5-15-flowered, secund; bracts often with a pinkish hue, oblanceolate, 2-5 mm, entire. Pedicel 3-5 mm, slender, recurved in fruit. Sepals minute, ca. 0.5 mm, dentate. Petals yellow; upper petal 20-28 mm; limb navicular-ovate, acute, not crested or with very narrow crest; spur cylindric, 13-21 mm; nectary 3/4-5/6 as long as spur; lower petal navicular-oblong, 9-11 mm, base sometimes with tiny protuberance; inner petals 8-10 mm, claw equaling or shorter than limb, dorsal crests not or slightly overtopping apex. Stigma nearly quadrate, with 8 marginal papillae and 2 submarginal lateral geminate papillae. Capsule oblong to narrowly obovoid, 8-14 × 2-2.5 mm, 3-11-seeded; style ca. 3 mm. Seeds 1.5-1.7 mm, smooth; elaiosome small. Fl. and fr. Apr-Oct.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 1.0
Root system creeping-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 60
Germination temperacture (C°) 10 - 15
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Corydalis davidii world distribution map, present in China, India, and Myanmar

Identifiers

LSID urn:lsid:ipni.org:names:672175-1
WFO ID wfo-0000622254
COL ID YP4J
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Corydalis davidii Corydalis pseudoclematis