(Roth) Spreng., Lamiaceae
Present on Pacific Islands? yes
Primarily a threat at high elevations? no
Other Latin names: Leucas capitata Desf.; Phlomis cephalotes Roth
Common name(s): [more details]
Chinese: tou xu bai rong cao
Description: "Stout annual herb to 1 m high, the branchlets scaberulous with spreading hairs; leaves petiolate, the petioles to 15 mm long, the blades membranaceous, 5-10 x 2-4 cm, ovate to ovate-lanceolate, subacute at apex, crenate-serrate at margin, more or less pubescent on both surfaces; flowering verticils often large, to 5 cm broad, terminal, globose, surrounded by imbricate, membranaceous bracts, these elliptic- to linear-lanceolate, 8-15 x 2-5 mm, awned at apex, ciliate at margin; calyx tubular, about 2 cm long, the tube slightly curved, membranaceous, usually soft-pubescent, the mouth oblique, long-pubescent, the teeth short-subulate, subequal, 1-2 mm long, scabrid; corolla 20-30 mm long, the tube to 20 mm long, the upper lip to 5 mm long, villose, the lower lip about twice as long as upper lip, the median lobe spreading, subtruncate; nutlets 2-3 mm long, obovoid-oblong, rounded at apex, smooth, brown" (Smith, 1991; pp. 235, 237).
Habitat/ecology: In Fiji, "reported to be rather common locally in wet places and at times on cultivated land near sea level" (Smith, 1991; pp. 235, 237).
Native range: "Afghanistan to eastern India and Bangladesh, found elsewhere as a naturalized or possibly cultivated plant" (Smith, 1991; pp. 235, 237).
Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
|Vanua Levu Island||
Smith, Albert C. (1991) (pp. 235, 237)
Vouchers cited: Greenwood 658, greenwood 658A
Comments: Reported invasive in Myanmar (Waterhouse, 1993; p. 141).