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Erect annual, 0.2-0.9 m high; with several branches; plants with very short hairs, appearing glabrous to naked eye. Leaves lanceolate, apex acute to acuminate; bracts cuneate at base, as long or longer than capsules they subtend. Flowers in axils of reduced leaves, buds erect. Floral tube up to 15 mm long. Sepals with slender, free tips ± 1 mm long. Petals 3-6 mm long, fading reddish. Style surrounded by anthers at anthesis. Flowering time Nov.-Apr. Fruit a capsule, up to 22 x 2 mm, not winged, subsessile. Seeds up to 1.3 mm long, broadly ellipsoid, shallowly pitted, light brown.
Annual herb, 0.2-0.6 m high; villous. Leaves sessile; blade narrowly ovate, 10-60 mm long, margins entire to dentate, undulate. Flowers: < 20 mm in diameter; floral tube 8-15 mm long; sepals 5-6 mm long, often flecked with dark red; petals 3-6 mm long, yellow or bright yellow; Oct.-Dec., Apr. Fruit cylindric, 15-22 mm long, 1.5-2.0 mm thick.
Villous, glandular-pubescent annual herb, 0.2-0.6 m high. Leaves entire to dentate, margins undulate. Flowers less than 20 mm in diameter. Petals 4-10 mm long. Sepals often flecked with dark red. Capsule cylindrical. Flowers yellow or bright yellow.
Erect annual or biennial with several branches from the base, these up to 60 cm. tall, everywhere covered with fine, appressed pubescence.
Inflorescence erect, the buds also erect; flowers borne in the axils of much reduced leaves.
Style surrounded by the anthers at anthesis; stigma with linear lobes 2–3 mm. long.
Seeds c. 1 mm. long, light brown, obovoid, indistinctly and shallowly pitted.
Leaves 1–6 cm. long, sinuate-dentate, lanceolate or narrowly ovate, sessile.
Capsule 15–22 mm. long, cylindric, not winged, subsessile.
Sepals 5–6 mm. long, with slender free tips c. 1 mm. long.
Petals 3–6 mm. long, bright yellow, fading reddish.
Anthers c. 2 mm. long, the filaments 4–6 mm. long.
Flowers opening near sunset.
Floral tube 8–15 mm. long.
Autogamous.
A herb.
