Description

Key Characters:

Growth Form: Perennial or annual.

Stems: Stems 0.4–2 m, pilose or puberulent.

Roots:

Leaves: Leaves simple. Alternate. Blades elliptic, ovate, or broadly ovate, 4–20 × 2–5 cm. Apex acuminate. Base rounded. Surfaces adpressed-pubescent abaxially and adaxially. Margins entire. Stipules absent.

Flowers: Inflorescences to 30 cm; bracts membranous; bracteoles long-aristate, spinose; wings attached at sides and base. Flowers bisexual, often becoming deflexed with age. Tepals 4 or 5, length 6–7 mm. Pseudostaminodes with margins fimbriate at apex, often with dorsal scale.

Fruit: Utricles ± cylindric; 3–4 mm; apex truncate or depressed.

Ploidy:

Habitat:

Elevation Range: