Description
Key Characters:
Growth Form:
Shrubs with viscid sap.
Stems:
Roots:
Leaves:
Leaves simple.
Alternate.
Surfaces glabrous to pubescent.
Margins crenate.
Palmately 3-veined, pinnately veined above.
Petiolate.
Stipules large and conspicuous, connate, intrapetiolar, caducous.
Flowers:
Flowers in dense, globose, paniculate, pedunculate clusters, bracts small.
Flowers unisexual (and the plants dioecious).
Calyx of staminate flowers 5-lobed, the lobes thin, ca. ⅓–⅔ as long as Calyx, weakly imbricate, depressed in bud, slightly mucronate just below apex; pistillate flowers with Calyx deeply 4-lobed, the lobes imbricate, thickened and hooded at apex.
Corolla (petals) absent.
Stamens in staminate flowers 5; filaments incurved in bud, elastically reflexed when pollen is shed; anthers dithecal, opening by longitudinal slits.
Ovary superior (pistillate flowers), straight, almost as long as calyx, psuedomonomerous, 1-celled; ovule 1, basal; style 1, short; stigma spatulate with 1 face and margins papillate–penicillate. Staminate flower pistillode clavate, ovary vestigial and sterile.
Fruit:
Achenes ovoid; compressed; enclosed by the fleshy calyx.
Seeds 1 per achene.
Ploidy:
Habitat:
Elevation Range: