Cypripedium forrestii P.J.Cribb

Forrest's cypripedium (en)

Species

Angiosperms > Asparagales > Orchidaceae > Cypripedium

Characteristics

Plants 3-5 cm tall, with a slender, creeping rhizome. Stem erect, 1.5-3 cm, covered by 2 conic sheaths, with a subopposite leaf and bract. Leaf and bract spreading horizontally or nearly prostrate on substrate; blade adaxially green, usually heavily marked with dark purple or black spots, rarely unspotted, elliptic or elliptic-ovate, 5-6.5 × 2.5-3.6 cm, apex mucronate. Inflorescence terminal, with 1 flower, ebracteate; pedicel 1.7-2.5 cm, villous; ovary 0.8-1 cm, villous. Flower small, dull yellow, finely spotted with maroon. Dorsal sepal ovate, 2.2-2.4 × 1.4-1.5 cm, abaxial midvein hairy, apex mucronate; synsepal ovate-elliptic, 1.8-1.9 × 0.8-1 cm, abaxial veins slightly hairy, apex shallowly 2-lobed and slightly recurved. Petals obliquely ovate, ± enfolding lip, 1.5-1.8 × 0.5-0.6 cm, apex acute; lip pouched, dorsiventrally compressed, subglobose, ca. 1 cm, outer surface papillose. Staminode oblong, ca. 3.5 × 3 mm, adaxially papillate, apex obtuse. Fl. Jun.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.05
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 365
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Cypripedium forrestii world distribution map, present in China

Conservation status

Cypripedium forrestii threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:961135-1
WFO ID wfo-0000935359
COL ID 33J5Q
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cypripedium forrestii Cypripedium bardolphianum subsp. forrestii Cypripedium bardolphianum var. zhongdianense