21 Juni 2010

Aichryson

Aichryson is a genus of the family Crassulaceae (Crassulaceae). The botanical name comes from an ancient Greek term that was used by Dioscorides for Aeonium arboreum Pedanius. It derives from the words "aei" forever and chrysos "for gold.

Description

Vegetative Characteristics

The species of the genus Aichryson are either one-to three-year, single or branched sparsely to densely growing monokarpe herbaceous plants (Section Aichryson) or bare or nearly bare hairy, arched branched perennial small shrubs (Section Macrobia).

The densely hairy or bare shoots reach the base diameter of 3-12 mm. You are in ascending or spreading, forked or branched spreading far. The branches are sometimes slightly woody. The simple, alternate, are near the shoot tips often leaves stalked rosettes sitting or clear.

Your ovate, obovate, pflasterkellenförmige, rhombic or wrong pflasterkellenförmige leaf blade is more or less succulent clear. The Spreitenspitze is blunt, rounded or slightly pointed, wedge-shaped, narrowed or truncate.

The often purple-colored leaf margin is entire or slightly notched tiny. He is bald, hairy or nearly hairless clear. He rarely is drüsenhaarig and sticky. The roots are fibrous.

Inflorescences and flowers

The fitting of the shoot inflorescence is loose and occasionally some ebensträußig. The threadlike peduncle is 2-20 mm long. The reach 6 - to 12-fold flower diameter 6-16 mm. Your bald or hairy sepals are fleshy and fused basally. The pale or deep yellow petals are lanceolate, elliptic or oval, and occasionally have a mounted Spitz's.

The thread-like filaments are free. The cylindrical anthers are yellowish. There are twice as many stamens as petals. The elongated Nektarschüppchen have a length of 0.5 to 0.9 mm and a width of 0.4 to 0.6 millimeters.

They are two-to five-column and wedge-shaped. The yellowish fruit basal leaves are sunk in the receptacle. They bear bare or with some glandular hairs. There are as many as petals are carpels.


Source: http://de.wikipedia.org/wiki/Aichryson


See Also: International Flower Delivery, Florist


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