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Flowers strongly scented in the afternoon and evening; corolla lobes above white, pinky white, cream, pale yellow or khaki yellow, tube and lobes beneath darker — usually olive green to brownish, glabrous or back of lobes scabridulous; tube often slightly bent, altogether (10.3)11–19.2(23.1) mm. long, the widened part (2.1)2.3–3.1(3.5) x 0.8–1.9(2.2) mm., the narrow part (0.3)0.5–1(1.2) mm. wide; lobes (3.9)4.4–8.5(8.8) x 0.9–2.7(3) mm., narrowly linear-elliptic to linear-oblong, parted to the base, ± acute.
Annual or perennial herb, 0.15-0.60 m high; roots fibrous, often with bead-like nodules. Leaves with blade narrowly linear to narrowly linear-ovate; stipular sheaths in the midstem region mostly produced into 1 or 2, ± fimbriated, triangular lobes. Flowers: partial inflorescences distinctly capitate; stigma comprised of 2, free, ± filiform lobes; corolla with tube 10-20 mm long, lobes white, pinky white, cream-coloured, pale yellow or khaki-yellow above, tube and lobes darker below; Sep.-Jan.
A herb. It is a slender plant that keeps growing from year to year. It grows 50 cm high. It has a large woody rootstock. It is erect and has few branches. It has few leaves. These are widely spaced on the stem. The leaves are 4 cm long by 2 mm wide. They have fluffy tufts in their axils. The flowers are in loose clusters at the ends of the stem. They are white and green. They are tube shaped. They have a strong scent. The fruit are round capsules.
Annual or perennial herb, 0.15-0.60 m high. Roots fibrous, often with bead-like nodules. Inflorescence distinctly capitate. Corolla tube (0.3-)1.0-9.3(-3.1) mm long. Flowers with lobes white, pinky white, cream, pale yellow or khaki-yellow above, tube and lobes darker below.
Leaves (3)11–45(61) x 0.4–1.8(2) mm., narrowly linear to narrowly linear-lanceolate, rarely filiform, apex acute, slightly tapered to the base, ± scabrid above otherwise glabrous; stipular sheath (0.5)0.6–1.9(2.2) mm. long, glabrous, stipular lobes (0.3)0.9–3.5(4) mm. long.
Annual or perennial strict erect herbs 15–60 cm. tall, with one to several unbranched stems from a short subterranean woody base; roots long, fibrous, occasionally with bead-like nodules; stems mostly glabrous to shortly pubescent at the base.
Calyx tube (1.4)1.6–2.8(3.2) x (1.1)1.3–2(2.4) mm., ovoid-elliptic, scabrid or ± glabrous; lobes (1.8)2–2.8(4) mm. long and 0.3–1.3(1.8) mm. wide at the base, narrowly triangular, glabrous.
Inflorescences many-flowered with 5–12 flowered partial inflorescences capitate; peduncles (18)32–75(170) mm. long, glabrous.
Capsules (2.1)2.4–3.2(3.9) x (3.1)3.4–4.2(4.8) mm., subglobose, glabrous.
Anthers narrowly linear, c. 2–4 mm. long; pollen (3)4(5)-colporate.
Seeds dark brown c. 0.8–1 mm. long, slightly flattened, ellipsoid.
Style c. 3–5 mm. long; stigma lobes 1.5–3 mm. long.
