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Hypericum calycinum L., Mant. Pl. 1: 106 1767. (Syn: Androsaemum calycinum (L.) T.Lestib.; Ascyrum calycinum (L.) Poir.; Ascyrum coriaceum Moench [Illegitimate]; Eremanthe calycina (L.) Spach; Eremanthe venosa (Lam.) K.Koch; Hypericum calycinum var. acutifolium Choisy; Hypericum grandiflorum Salisb. [Illegitimate]; Hypericum venosum Lam.; Norysca calycina (L.) Blume; Norysca venosa (Lam.) Blume);
Hypericum calycinum is a prostrate or low-growing shrub species of the genus Hypericum (Hypericaceae). Widely cultivated for its large yellow flowers, its names as a garden plant include Rose of Sharon in Britain and Australia, and Aaron’s beard, Great St-John’s wort, and Jerusalem star. Grown in Mediterranean climates, widely spread in the Strandja Mountains along the Bulgarian and Turkish Black Sea coast. It is a low, creeping, woody shrub to about 1 m tall and 1–2 m wide but often smaller. The green, ovate leaves grow in opposite pairs. The solitary flowers are 3–5 cm in diameter, a rich yellow, with five petals and numerous yellow stamens.
It is indigenous to southeast Europe and southwest Asia. It is a popular, semi-evergreen garden shrub with many named cultivars and hybrids derived from it.
In North America the name Rose of Sharon is applied to a species in a different order, Hibiscus syriacus.
This species is capable of producing the medicinally active components of H. perforatum (hyperforin etc.), though in different ratios, with adhyperforin predominating, and a low level of hyperforin present.[2]
(From Wikipedia on 22.11.14)
Hypericaceae, Clusiaceae and Dipterocarpaceae Fortnight: Hypericum calycinum L. from California-GSNOV04 : 2 posts by 2 authors. Attachments (5).
Hypericum calycinum L., Mant. pl. 1:106. 1767
Aaron’s-beard
Evergreen subshrub, stoloniferous, less than 30 cm tall, with ascending 4-angled branches; leaves oblong to ovate-oblong, 5-10 cm long, obtuse, glaucous beneath; flowers solitary or 2-3-flowered clusters; sepals enlarging in fruit; stamens in 5 bundles, anthers red; styles 5. Photographed from Sunnyvale, California.
Excellent set of Pics Sir
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