Androsace L.

Rockjasmine (en), Androsace (fr)

Genus

Angiosperms > Ericales > Primulaceae

Characteristics

Herbs usually annual or perennial, rarely biennial, sometimes cushion-or mat-forming, rarely slightly succulent. Rhizomes absent; roots fibrous or a slender taproot. Stems ascending, simple. Leaves in single or multiple basal rosettes, simple; petiole absent or obscure, slightly winged; blade lanceolate to spatulate or cuneate, base attenuate, cuneate, or truncate, margins entire or moderately dentate, apex acute to obtuse (often dentate), surfaces usually hairy, hairs grayish white, simple or forked. Scapes 1-25. Inflorescences umbels, 2-20-flowered, involucrate; bracts 1-10. Pedicels absent or erect to arcuate, elongating with age. Flowers homostylous; sepals 5, green, calyx broadly campanulate to subglobose or hemispheric, ± 5-angled, not keeled, glabrous, pilose, or puberulent, lobes shorter than tube; petals 5, white, sometimes fading to pink in age [pink to shades of red], corolla campanulate to salverform, tube yellow, ± inflated, lobes shorter than tube, apex emarginate to entire; stamens included; filaments indistinct, very short; anthers not connivent. Capsules globose to subglobose, valvate, dehiscent nearly to base. Seeds usually 3-4 in perennial species, 20-50+ in annual species, brown, 4-angled to somewhat trigonous, reticulate to almost smooth. x = 10.
More
Herbs perennial, annual, or biennial, acaulescent, rarely caulescent with ascending or decumbent shoots from a caudex. Leaves forming a rosette, rarely alternate; rosettes solitary or clustered, forming lax mats or compact cushions. Inflorescences umbellate, rarely a solitary flower, with bracts. Flowers 5-merous, homostylous. Calyx campanulate to subglobose, shallowly to deeply lobed. Corolla white, pink, purple, or dark red, rarely yellow; tube usually ± inflated, ca. as long as to shorter than calyx; throat constricted; lobes entire or emarginate. Stamens included, inserted on corolla tube; filaments very short; anthers ovate, apex obtuse. Style not longer than corolla tube. Capsule subglobose, dehiscing nearly to base. Seeds few to many.
Cal-tube obconic, equaling or exceeding the triangular lobes; cor salverform, constricted at the throat; stamens included; style very short; stigma capitate; capsule 5-valved, enclosed in the persistent cal; small winter-annuals with a rosette of basal lvs and one to several scapes bearing terminal, involucrate umbels of very small fls. 100, N. Temp. and Arctic.
Life form
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system fibrous-root rhizome tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 365
Germination temperacture (C°) 10 - 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Androsace unspecified picture
Androsace unspecified picture

Distribution

Androsace world distribution map, present in China and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:60437104-2
WFO ID wfo-4000002012
COL ID VV2
BDTFX ID 85879
INPN ID 189155
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Androsace Vitaliana Aretia Douglasia

Lower taxons

Androsace adenocephala Androsace aflatunensis Androsace americana Androsace apus Androsace aretioides Androsace armeniaca Androsace baltistanica Androsace brachystegia Androsace brahmaputrae Androsace brevis Androsace caduca Androsace caespitosa Androsace cernuiflora Androsace ciliata Androsace ciliifolia Androsace constancei Androsace coronata Androsace cortusifolia Androsace croftii Androsace cuscutiformis Androsace cuttingii Androsace engleri Androsace x escheri Androsace euryantha Androsace filiformis Androsace flavescens Androsace henryi Androsace x hybrida Androsace integra Androsace intermedia Androsace khokhrjakovii Androsace kouytchensis Androsace kuczerovii Androsace kuvajevii Androsace lactea Androsace lactiflora Androsace lactiflora Androsace laxa Androsace lowariensis Androsace mairei Androsace x marpensis Androsace mathildae Androsace mirabilis Androsace montana Androsace mucronifolia Androsace ochotensis Androsace ojhorensis Androsace ovalifolia Androsace ovczinnikovii Androsace pavlovskii Androsace paxiana Androsace pedemontana Androsace phaeoblephara Androsace rigida Androsace rioxana Androsace rockii Androsace runcinata Androsace russellii Androsace strigillosa Androsace sutchuenensis Androsace tribracteata Androsace triflora Androsace umbellata Androsace vegae Androsace wulfeniana Androsace zambalensis Androsace beringensis Androsace idahoensis Androsace adfinis Androsace akbajtalensis Androsace alaica Androsace bulleyana Androsace bungeana Androsace cylindrica Androsace dasyphylla Androsace delavayi Androsace elongata Androsace foliosa Androsace geraniifolia Androsace gmelinii Androsace hemisphaerica Androsace nivalis Androsace nortonii Androsace occidentalis Androsace podlechii Androsace poissonii Androsace pomeiensis Androsace pyrenaica Androsace refracta Androsace rhizomatosa Androsace tapete Androsace tibetica Androsace tonkinensis Androsace komovensis Androsace aizoon Androsace alaschanica Androsace alaskana Androsace albana Androsace bisulca Androsace alchemilloides Androsace x aretioides Androsace argentea Androsace axillaris Androsace bryomorpha Androsace darvasica Androsace dielsiana Androsace dissecta Androsace diversifolia Androsace duthieana Androsace elatior Androsace erecta Androsace eritrichioides Androsace exscapa Androsace fedtschenkoi Androsace forrestiana Androsace gagnepainiana Androsace globifera Androsace globiferoides Androsace gorodkovii Androsace gracilis Androsace graminofolia Androsace handel-mazzettii Androsace harrissii Androsace hausmannii Androsace hookeriana Androsace incana Androsace jacquemontii Androsace hazarica Androsace hohxilensis Androsace hopeiensis Androsace laggeri Androsace lanuginosa Androsace lehmanniana Androsace lehmannii Androsace longifolia Androsace minor Androsace muscoidea Androsace laevigata Androsace limprichtii Androsace ludlowiana Androsace medifissa Androsace mollis Androsace pubescens Androsace rotundifolia Androsace salasii Androsace sarmentosa Androsace selago Androsace squarrosula Androsace sempervivoides Androsace sericea Androsace sessiliflora Androsace stenophylla Androsace similis Androsace staintonii Androsace sublanata Androsace tanggulashanensis Androsace wardii Androsace yargongensis Androsace wilsoniana Androsace zayulensis Androsace foliosa Androsace sajanensis Androsace khumbuensis Androsace bidentata Androsace graceae Androsace hedraeantha Androsace heerii Androsace multiscapa Androsace spinulifera Androsace chaixii Androsace septentrionalis Androsace helvetica Androsace obtusifolia Androsace halleri Androsace alpina Androsace maxima Androsace villosa Androsace chamaejasme Androsace vitaliana