Hoya aldrichii
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Hoya aldrichii , inflorescence |
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| Hemsl. |
Hoya Aldrichii is a plant of the genus of wax flowers ( Hoya ) of the subfamily of asclepiadoideae (Asclepiadoideae). The species is endemic to Christmas Island, which belongs to Australia. The specific epithet honors the captain of the research vessel Egeria , Pelham Aldrich , who visited Christmas Island in 1887.
features
Hoya aldrichii is a large, up to 3.5 m long, climbing plant with pale, bare shoots. The adhesive roots form on the internodes . The persistent leaves have about 1 to 1.5 cm long, thick, slightly flattened stems. The leaf blades are elliptical in outline, rounded at the base and pointed at the outer end. They are 7.5 to 15 cm long and 3.5 to 6 cm wide.
The inflorescence is up to 15 to 30 flowers . The inflorescences arise continuously at the apex of the thickened, 6 to 10 cm long peduncle. The flower stalks are 2 to 2.5 cm long and glabrous. The flower measures 8 mm in diameter. The sepals are 2 mm long and slightly downy hairy on the outside. The petal lobes are approx. 6 mm long and pointed at the end. They are white or pink, bare on the outside, densely covered with a short fluff on the inside. The secondary crown is pink or deep purple-pink with 3 to 4 mm long and 1.5 mm wide, star-shaped protruding petal tips. The flowers are very fragrant.
The pollinia are only weakly winged. The follicles are up to 14 cm long and 5 to 10 mm thick. The seeds are approx. 5 mm long with a 2 to 3 cm long head of hair.
Geographical distribution and habitat
The species is a common epiphyte in the bush lands of the coastal terraces on Christmas Island .
Taxonomy
William Botting Hemsley first described the species in 1890. The type locality is north of the Flying Fish Cove. The type specimen was collected in September / October 1887 by JJ Lister and the officers of the research vessel HMS "Egeria".
Trivia
Hoya aldrichii was featured on a Christmas Island Postage stamp.
supporting documents
literature
- Anders Wennström, Katarina Stenman: The Genus Hoya - Species and Cultivation. Botanova, Umeå 2008, ISBN 978-91-633-0477-4 , p. 30.
Individual evidence
- ↑ Hoya aldrichii. on: Flora of Australia Online
- ^ William Botting Hemsley: Report on the botanical collections from Christmas Island, Indian Ocean, made by Captain JP Maclear, Mr. JJ Lister, and the Officers of HMS "Egeria". In: Journal of the Linnean Society Botany. 25, pp. 351-362, London 1890 Online at Biodiversitylibrary.org
- ↑ Postage stamp from Christmas Island, shown on the IG Ascleps site ( memento of the original from December 26, 2015 in the Internet Archive ) Info: The archive link has been inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
