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Blumea milnei

Family

Asteraceae

Botanical Name

Blumea milnei Seem.

Seemann, K.O. von (1861) Bonplandia 9: 257. Type: Fiji. Lectotype: Seemann 273 (K lectotype, isolectotype BM) Aug. 22 - Sept. 2, 1860, near Namosi, Namosi Province, Viti Levu.

Stem

Usually flowers and fruits as a shrub 1-1.5 m tall.

Leaves

Lateral veins forming loops inside the blade margins. Both the upper and lower surface of the leaf blades clothed in pale, rather sparse +/- prostrate hairs. Leaf blade margin with about 6-10 teeth on each side. Leaf blades about 10-17 x 2-5 cm.

Flowers

Inflorescence a panicle of heads. Heads consist mainly of female flowers with just a few hermaphrodite flowers in the centre. Individual flowers about 1 mm diam. Each flower surrounded by a ring of about 16-18 barbed hairs about 6 mm long. Perianth about 7 mm long. Staminal filaments about 3 mm long and free, anthers about 2 mm long, fused to form a tube around the style. Style about 9 mm long. Ovary hairy, stigma bilobed.

Fruit

Achenes about 1-2 mm long, clothed in tiny bristles, pappus about 5 mm long, each bristle armed with microscopic barbs or teeth. Cotyledons about the same size as the radicle.

Seedlings

Cotyledons about 1.5-3 x 1.5-3 mm. First pair of leaves with 1 or 2 teeth on each side. At the tenth leaf stage: leaf blade margin serrate, both the upper and lower surfaces hairy and the lateral veins forming loops inside the blade margin.

Distribution and Ecology

Occurs in NEQ and southwards to coastal central Queensland. Altitudinal range from near sea level to 900 m. Grows along roads and in clearings in rain forest. Also occurs in Malesia and the Pacific islands.

Natural History

In upper Naitasiri Province, Fiji, the name viavia tobacco has been noted, and an extract from the leaves is used for sore eyes (St John 19287). A.C. Smith (991).

NEQ

X

Herb (herbaceous or woody, under 1 m tall)

X

Shrub (woody or herbaceous, 1-6 m tall)

X

RFK Code

3162