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Helianthemum Mill.

Frostweed (en), Hélianthème (fr)

Genus

Angiosperms > Malvales > Cistaceae

Characteristics

Sep 5, but the outer 2 much narrower (and often shorter) than the inner and often partly or largely adnate to them; pet 5 in the first fls of the season, convolute in bud, yellow, fugacious, the later fls in our spp. mostly cleistogamous and apetalous; stamens 10–50 or more in open fls, (3)4–6(–8) in cleistogamous ones; style in ours shorter than the ovary, to ca 1 mm, with a capitate stigma, or the stigma virtually sessile; placentas membranous-intruded; embryo curved into a hook, or ring or ± circinate; perennial herbs (ours), or small shrubs with well developed but relatively small and narrow, alternate (ours), short-petiolate or virtually sessile lvs and stellate-hairy herbage, the frs glabrous. (Crocanthemum) 100, widespread.
More
Shrubs or subshrubs, rarely perennial or annual herbs. Leaves opposite or upper ones alternate, stipulate or estipulate. Flowers solitary or inflorescences cymose, racemose, corymbose, or headlike, sometimes paniculate, few-to many-flowered. Sepals 5; outer 2 ca. 1/2 size of inner 3; inner 3 subequal, 3-6-veined, accrescent in fruit. Petals 5, yellow, orange-yellow, or pink. Styles filiform; stigmas large, capitate. Capsule 3-angled, 3-valved, 1-loculed or imperfectly 3-loculed. Seeds many.
Life form perennial
Growth form
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Sexuality hermaphrodite
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Environment

Light -
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Hardiness (USDA) 4-9

Usage

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Edible -
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Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 15 - 20
Germination temperacture (C°) 21 - 23
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Images

Helianthemum unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:30002303-2
WFO ID wfo-4000017201
COL ID 62TKD
BDTFX ID 85581
INPN ID 193132
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Helianthemum Psistina Psistus Rhodax Helianthemon Anthelis

Lower taxons

Helianthemum inaguae Helianthemum sicanorum Helianthemum sinuspersicum Helianthemum aegyptiacum Helianthemum aganae Helianthemum aguloi Helianthemum baschkirorum Helianthemum cretophilum Helianthemum croceum Helianthemum x cuatrecasasii Helianthemum cylindrifolium Helianthemum dagestanicum Helianthemum x digeneum Helianthemum doumerguei Helianthemum x golondrinum Helianthemum gorgoneum Helianthemum x hirtiforme Helianthemum juliae Helianthemum kahiricum Helianthemum kotschyanum Helianthemum lavandulifolium Helianthemum maritimum Helianthemum x monspessulanum Helianthemum neopiliferum Helianthemum nummularium Helianthemum pannosum Helianthemum ruficomum Helianthemum squamatum Helianthemum strickeri Helianthemum x subhispidulum Helianthemum x subviscosum Helianthemum supramontanum Helianthemum syriacum Helianthemum syrticum Helianthemum tholiforme Helianthemum thymiphyllum Helianthemum tinetense Helianthemum ventosum Helianthemum viscarium Helianthemum viscidulum Helianthemum edetanum Helianthemum mathezii Helianthemum cirae Helianthemum motae Helianthemum angustatum Helianthemum apenninum Helianthemum assadii Helianthemum bickhamii Helianthemum brachypodum Helianthemum bramwelliorum Helianthemum broussonetii Helianthemum bystropogophyllum Helianthemum canariense Helianthemum x carmen-joanae Helianthemum x carolipaui Helianthemum chihuahuense Helianthemum cinereoflavescens Helianthemum citrinum Helianthemum x conchitae Helianthemum concolor Helianthemum confertum Helianthemum coulteri Helianthemum crassifolium Helianthemum creticola Helianthemum ellipticum Helianthemum eriocephalum Helianthemum fontanesii Helianthemum geniorum Helianthemum georgicum Helianthemum germanicopolitanum Helianthemum getulum Helianthemum glaucescens Helianthemum grosii Helianthemum guerrae Helianthemum hadedense Helianthemum x heerii Helianthemum helianthemoides Helianthemum humile Helianthemum hymettium Helianthemum lavandulifolium Helianthemum morisianum Helianthemum murbeckii Helianthemum papillare Helianthemum polyanthum Helianthemum polygonoides Helianthemum pomeridianum Helianthemum sancti-antonii Helianthemum sanguineum Helianthemum sauvagei Helianthemum soongaricum Helianthemum speciosum Helianthemum stipulatum Helianthemum teneriffae Helianthemum vesicarium Helianthemum villosum Helianthemum virgatum Helianthemum marmoreum Helianthemum argenteum Helianthemum rossmaessleri Helianthemum gonzalezferreri Helianthemum sulphureum Helianthemum oelandicum Helianthemum canum Helianthemum squamatum Helianthemum scoparium Helianthemum buschii Helianthemum cretaceum Helianthemum arenicola Helianthemum ordosicum Helianthemum lunulatum Helianthemum raskebdanae Helianthemum abelardoi Helianthemum propinquum Helianthemum cinereum Helianthemum songaricum Helianthemum x coronadoi Helianthemum x mansanetianum Helianthemum dianicum Helianthemum x crespoi Helianthemum x triregnorum Helianthemum x montis-bovis Helianthemum x tornesae Helianthemum x caballeroi Helianthemum x penyagolosense Helianthemum x finestratense Helianthemum x pseudocinereum Helianthemum x protodianicum Helianthemum x xixonense Helianthemum x pseudodianicum Helianthemum x petrerense Helianthemum capralense Helianthemum x lucentinum Helianthemum x rigualii Helianthemum asperum Helianthemum antitauricum Helianthemum x mariano-salvatoris Helianthemum obtusifolium Helianthemum rossmaessleri Helianthemum conquense Helianthemum leptophyllum Helianthemum pergamaceum Helianthemum patens Helianthemum schweinfurthii Helianthemum scopulicola Helianthemum pugae Helianthemum somalense Helianthemum zheguliense Helianthemum caput-felis Helianthemum almeriense Helianthemum marifolium Helianthemum salicifolium Helianthemum lippii Helianthemum violaceum Helianthemum hirtum Helianthemum ledifolium
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