Citation: L., Sp. Pl. 362 (1753).

Synonymy: Not Applicable

Common name: Princes feather (or plume), oriental knotweed.

Description:
Pubescent annual; stems erect, 1-2 m high; leaves ovate to lanceolate, acuminate, to 25 x 8 cm, softly pubescent, with prominent midrib and lateral nerves on both surfaces; stipules pubescent, closely sheathing, margins ciliate.

Spikes several, in loose terminal panicles, slightly interrupted, usually less than 5 cm long; bracts sessile, pubescent, ciliate; pedicels to 4.5 mm long; perianth-segments c. 4 X 2 mm; stamens usually 7; style 2-branched.

Nut flat or convex, c. 3 mm long, apiculate.

Image source: fig. 98d in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Cunningham et al. (1982) Plants of western New South Wales.

Distribution:    N.T.; Qld; N.S.W.   East Asia. Conservation status: naturalised Flowering time: Nov. — March.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Author: Not yet available