Polygala saxicola Dunn

Species

Angiosperms > Fabales > Polygalaceae > Polygala

Characteristics

Herbs erect or stoloniferous subshrubs, 5-10 cm tall. Stems and branches longitudinally angular, pubescent. Petiole ca. 5 mm, pubescent; leaf blade green, obovate or elliptic, 4.5-9 × 2.5-4.5 cm, papery, abaxially scabrous, glabrous, adaxially white setose, midvein raised abaxially, impressed adaxially, lateral veins 6 or 7 pairs, raised abaxially, anastomosing near margin, veinlets reticulate, raised abaxially, base broadly cuneate to subrounded, margin entire, apex obtuse-rounded, mucronate. Racemes 1-3, terminal, 3-6 cm, pubescent. Flowers crowded. Pedicel ca. 1 mm; basal bracteole 1, caducous, subulate, ca. 2.5 mm, apex long acuminate. Sepals 5, caducous, unequal; outer sepals 3, small, upper one boat-shaped, ca. 3.5 mm, on midvein winged on back, lateral ones elliptic, ca. 2.5 mm; inner sepals 2, petaloid, obovate or orbicular, ca. 7 × 5 mm, base unguiculate, apex rounded. Petals 3, connate in lower 1/2, pink to purplish, nearly equal, ca. 7 mm, apex with appendages 4-lamellate, yellow, and lobed. Stamens 8; filaments ca. 6 mm, lower 3/4 united, forming an open staminal sheath, and adnate with petals; anthers ovoid. Ovary ellipsoidal, ca. 2 mm, narrowly winged; style from base toward apex gradually thickened, curved, apex slightly lobed; stigma on lower lobe. Capsule orbicular or subsquare, ca. 5 mm in diam., winged, apex retuse and mucronate. Seeds black, ovoid, ca. 2 mm, ca. 1.2 mm in diam., white pubescent; strophiole white translucent, wing-shaped, ca. 2/3 as long as seeds. Fl. Mar-Apr, fr. Apr-May.
Life form perennial
Growth form
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.1
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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°) 15 - 18
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Polygala saxicola world distribution map, present in China and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:692276-1
WFO ID wfo-0001219801
COL ID 6VRZC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Heterosamara saxicola Polygala saxicola