Cypripedium parviflorum var. parviflorum Raf.

Lesser yellow lady's slipper (en)

Variety

Angiosperms > Asparagales > Orchidaceae > Cypripedium > Cypripedium parviflorum

Characteristics

Bracts: abaxial surface of distalmost sheathing bract (and often the next) densely and conspicuously silvery-pubescent when young (later sometimes glabrescent). Leaves 4–5, rather evenly spaced along stem, alternate, spreading; blade orbiculate to lance-elliptic to ovate or obovate, 9–19 × 2.5–9 cm. Flowers 1–2, small, scent moderate to faint, rose or musty; sepals and petals usually minutely but densely spotted with reddish brown or madder and appearing uniformly dark, rarely only coarsely spotted and blotched; lip oblance-ovoid to calceolate (slipper-shaped), 22–34 mm; orifice 12–19 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.1 - 0.3
Mature height (meter) 0.1 - 0.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-6
Soil humidity -
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 7-10

Usage

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

Cultivation

Can be grown by divisions.
Mode divisions
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 parviflorum var. parviflorum world distribution map, present in Åland Islands, Georgia, Malaysia, Nicaragua, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:77168059-1
WFO ID wfo-0000935583
COL ID 7XPJJ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cypripedium bifidum Cypripedium luteum Cypripedium parviflorum f. albolabium Cypripedium parviflorum var. parviflorum