Australian Tropical Rainforest Plants - Online edition

Cyanthillium patulum (Aiton) H.Rob.


Herb (herbaceous or woody, under 1 m tall)
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Herbarium specimen. © DERM
Family

Robinson, H.E. (1990) Proceedings of the Biological Society of Washington 103: 252

Common name

Spreading Fleabane

Stem

Annual with stiff erect stems, 12-45 cm. tall, striate, more or less pubescent, slightly branched.

Leaves

Leaves mostly ovate-elliptic, cuneate at base, acute or obtuse, apiculate, subentire or obscurely toothed, villous dorsally, up to 6-12 x 2-5 cm wide, on petioles up to 2.5 cm long.

Flowers

Inflorescence paniculate-corymbose, 40-100-flowered; flowers pinkish violet. Pappus white, the exterior row short, about 0.5 mm. long. Bracts of involucre lanceolate, puberulent, 4-5-seriate, 6-7 mm long; corollas slightly exserted, violet or rarely paler to white, 4-5 mm long; anthers and style-branches violet;

Fruit

Achenes 1.25 mm. long, oblong, terete, slightly narrowed at the base, clothed with appressed white hairs.

Seedlings

Features not available.

Distribution and Ecology

Occurs in NT, rarely recorded. Altitudinal range near sea level. Found in coastal vine thickets on Melville Island.

Synonyms

Conyza patula Aiton., Hortus Kewensis 3: 184 (1789).  Vernonia patula (Aiton) Merr.,  Philippine Journal of Science 3(6): 439-440 (1908).

RFK Code
4295
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