Kalanchoe gastonis-bonnieri
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Kalanchoe gastonis-bonnieri |
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| Raym.-Hamet & H.Perrier |
Kalanchoe gastonis-bonnieri is a species of Kalanchoe plant in the Crassulaceae family.
description
Vegetative characteristics
Kalanchoe gastonis-bonnieri is a perennial , sometimes biennial plant that forms rosettes at its base . Their shoots are usually very short and bare. The very thick, fleshy leaves are petiolate. The leaf stalk , which surrounds the broad stem, is 3.5 to 6.5 centimeters long. Their ovate-lanceolate, bald, green, numerous irregularly brownish green spotted leaf blades are 13 to 50 centimeters long and 4.5 to 10 centimeters wide. It is folded lengthways like a gutter. It is frosted white on the top. Their tip is long and pointed and has brood buds. The base is wedge-shaped, the leaf margin roughly notched.
Generative characteristics
The inflorescence consists of loose, more or less multi-flowered bouquets and reaches a length of 20 to 30 centimeters. The peduncle is 30 to 50 centimeters long. The pendulous or slightly spreading flowers are on approximately 10 millimeter long flower stalks . The bald calyx is green and has red or purple lines. The cylindrical goblet tube is 13 to 16 millimeters long. The triangular, pointed calyx lobes have a length of 5 to 6 millimeters and are 4.2 to 5.3 millimeters wide. The fine glandular hairy corolla is yellow-green and has red or purple lines. The cylindrical corolla tube is about 30 millimeters long. Their round, pointed corolla lobes are 9 to 11 millimeters long and 5.6 to 7.5 millimeters wide. The stamens are attached to the base of the corolla tube. The upper stamens protrude slightly from the flower. The kidney-shaped anthers are 2.5 to 3 millimeters long. The square, sanded-out nectar flakes are 1.2 to 2 millimeters long. The carpel has a length of 9 to 11 millimeters. The stylus is 16 to 24 millimeters long.
The obovate seeds reach a length of about 0.8 millimeters.
Systematics and distribution
Kalanchoe gastonis-bonnieri is widespread in the north-west of Madagascar on rocky places.
The first description by Raymond-Hamet and Henri Perrier de La Bâthie was published in 1912.
proof
literature
- Bernard Descoings: Kalanchoe gastonis-bonnieri . In: Urs Eggli (Hrsg.): Succulent lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN 3-8001-3998-7 , pp. 161-162 .
Individual evidence
- ^ Annales des Sciences Naturelles. Botanique . 9th Series, Volume 16, 1912, pp. 364-366.
Web links
- Photo of the species with habit and inflorescence on Flickr