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Perennial, rarely annual herb, parasite, 0.07-0.90 m high; stem slender, semi-erect, branched or simple, smooth or verrucose, glabrous or pubescent. Leaves linear, apex acute or obtuse, margins entire; petioles long (± 15 mm). Inflorescence a raceme; flowers white or pink. Calyx campanulate; tube ribbed; lobes equal, ovate to filiform, reflexed. Corolla with curved or straight tube. Ovary ovoid, compressed; stigma compressed. Flowering time Sept.-Apr.
A herb that can be erect or straggling. It has a woody tuberous rhizome. It can grow partly by feeding on grass roots. The stems are 5-40 cm long. The leaves are 7 cm long. They are narrowly oval. They can have teeth or lobes. The flowers are pink, white or mauve. They have a sweet scent. The flowers can occur singly. The fruit is a capsule 5-15 mm long. It has wings.
Erect, decumbent, ascending or straggling perennial herb or more rarely, annual, branched or simple with a woody tuberous rhizome; stems 5–40(70) cm. long; whole plant, except corolla, glabrescent, hispid or pubescent, smooth or verrucose.
Calyx 5–40 mm. long, campanulate or shortly tubular, becoming campanulate to broadly campanulate in fruit; tube 3–10(23) mm. long, ribbed or not; lobes (4)5, equal, 2–12(18) mm. long, ovate to filiform, erect, reflexed or recoiled.
Leaves 70(100) mm. long, linear to ovate, sometimes rudimentary below, apex acute or obtuse, entire or irregularly toothed or lobed, veins 1–3 somewhat parallel, pinnately nerved in broader leaves.
Semiparasitic perennial herb, up to 0.6 m high, dusky when dry. Leaves opposite, linear, entire or sparingly denticulate. Racemes terminal. Flowers 10-15 mm long, purple, pale rosy or white.
Hemiparasitic perennial to 60 cm with erect branches. Leaves narrowly oblong, minutely notched. Flowers in racemes, on long pedicels, pink to mauve turning black on fading.
Bracteoles absent or present, 0–10(20) mm. long, varied in shape, variously inserted on pedicels or adnate to base of calyx.
Corolla white or pink; tube (12)14–55 mm. long, curved or straight, glandular without; limb (9)15–70 mm. in diam.
Capsule 4–15 mm. long including beak, winged, dehiscent mainly along upper suture.
Filaments of shorter stamens 3–6 mm. long, of the larger 5–10 mm. long.
Style 4–11 mm. long including compressed stigma.
Inflorescence racemose or flowers solitary.
Ovary 2.5–4 mm. long, compressed-ovoid.
Pedicels 2–50(90) mm. long.
Anthers 2–45 mm. long.
