Cynanchum Viminale Subsp. Brunonianum (Wight & Arn.) Meve & Liede

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Cynanchum Viminale Subsp. Brunonianum (Wight & Arn.) Meve & Liede

Species information Abo ut Reso urces Hom e A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Cynanchum viminale subsp. Click on images to enlarge brunonianum Family Apocynaceae Scientific Name Cynanchum viminale subsp. brunonianum (Wight & Arn.) Meve & Liede Meve, U. & Liede-Schumann, S. (2012) Kew Bulletin 67: 754. Flowers. Copyright CSIRO Common name Caustic Bush; Vine, Caustic; Pencil, Caustic,; Caustic Pencil; Milkbush; Caustic Vine Stem Usually grows as a shrub-like plant but can also assume the architecture of a vine with a stem perhaps attaining 3-4 cm diam. Leaves Leaves reduced to small, triangular scales about 1-1.5 mm long. Photosynthetic material present in the Copyright CSIRO green succulent branches which produce copious amounts of milky exudate when cut or broken. Flowers Inflorescence a short raceme or fascicle. Pedicels about 7-8 mm long. Flowers about 9-15 mm diam. Calyx lobes triangular, about 0.8-1 mm long. Corolla lobes about 5-6 x 2 mm, recurved. Staminal corona about 3-4 mm diam. Anthers about 1 mm long, appendages terminal. Carpels about 0.8-1 mm long. Styles free at the base, about 1.2 mm long. Style head about 0.8-1 mm. Fruit Follicles about 7-9 x 0.4 cm. Seeds about 5-6 x 1.5-2 mm, plumes about 15-17 mm long. Copyright CSIRO Seedlings Features not available. Distribution and Ecology Occurs in WA, NT, CYP, NEQ, CEQ and southwards into New South Wales. Altitudinal range in northern Australia from near sea level to 550 m. Grows in rocky areas in open forest, vine thicket and monsoon forest. Also occurs in Africa, Asia and Malesia. Scale bar 1mm. Copyright CSIRO Natural History & Notes A food plant for the larval stages of the Australian Crow Butterfly. Common & Waterhouse (1981). Vine X Synonyms Sarcostemma brunonianum Wight & Arn., Contr. Bot. India 59 : (1834), Type: Herb. Wight, propr. 1557 Sarcostemma bunoniana W & A. Peninsula Ind. orientalis 1836; iso: G-DC. Sarcostemma viminale subsp. brunonianum (Wight & Arn.) P.I.Forst., Australian Systematic Botany 5(1): 63 (1992). Vine stem bark and vine stem transverse section. Copyright CSIRO RFK Code 2248 CC-BY Australian Tropical Herbarium unless otherwise indicated in the images. .

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