Crassula helmsii
Crassula helmsii
Crassula helmsii is a plant of the genus Crassula ( Crassula ) in the family Crassulaceae ( Crassulaceae ).
Description
Crassula helmsii is an annual to perennial weak, heavily branched plant crawl their shoots with raised end and reached the stature heights of up to 12 centimeters. Floating shoots are up to 25 centimeters long. The rather flat and slightly fleshy, green to brown leaves are oblong lanceolate to oblong- elliptical. They are 3 to 8 mm (rarely up to 12 mm ) long and 1 to 2 millimeters ( often 0.8 to 8 mm) wide.
The fourfold bloom appear singly in the leaf axils. Your flower stalk is to the fruit time 4-7 millimeters long. The triangular sepals are 0.6 to 0.8 mm (rarely up to 1 mm) long. The cup-shaped corolla is white. Your lanceolate, pointed petals are spread out to a little bent back and have a length of 1.6 to 2 millimeters. The elongated wedge-shaped, trimmed Nektarschüppchen are white.
The seeds are smooth or have fine, often incomplete longitudinal ribs.
Systematics and distribution
Crassula helmsii is in New Zealand, widespread in southeastern Australia, including Tasmania. In Western Europe ( including England and Scotland) Crassula helmsii is introduced in many places and wild as a weed. In the United Kingdom, therefore, sale of the plant was prohibited ( Australian swamp stonecrop there as known) with effect from April 2014.
The first description as Tillaea helmsii by Thomas Kirk was published in 1899. C. Leonard Cockayne put the type x in the genus Crassula.