Description
Key Characters:
Growth Form:
Subshrubs 1–2 m tall.
Stems:
Woody stems soft with copious pale but slightly colored sap.
Roots:
Leaves:
Leaves simple.
Alternate.
Blades orbicular to broadly obovate, 8–16 cm long, 7–15 cm wide.
Surfaces glabrous or sparsely hairy especially on veins.
Margins 3–5-lobed, margins glandular denticulate.
Petioles 3–6 cm long, covered with stiff glandular hairs.
Stipules well–developed, 3–5 mm long, divided into 2–4 narrow, branched, glanduliferous segments.
Flowers:
Flowers in terminal dichasia; peduncles 2–4 cm long.
Flowers unisexual; plants monoecious; staminate flowers on pedicels ca. 2 mm long pistillate flowers on pedicels ca. 5 mm long.
Calyx 5-lobed; Calyx of staminate flowers 2–4(–5) mm long, with thick–stalked, capitate glands on the margins; Calyx of pistillate flowers 5–7 mm long, puberulent.
Corolla of 5 petals; petals of staminate flowers dark red to purple, obovate, 3–5 mm long.
Stamens in staminate flowers 8; filaments connate in lower one–third.
Ovary superior (pistillate flowers), pubescent, (2)3(4)-celled; ovules 1 per cell; styles connate at base, bifid. Staminate flower ovary absent.
Fruit:
Capsules subglobose; 1–1.2 cm long and in diameter; 3–lobed; breaking into 3 segments at maturity.
Seeds dark gray with black specks and mottled grayish and brown; 5.5–7.3 mm long.
Ploidy:
2n = 22
Habitat:
Elevation Range: