Round caudex to 12″. Vining with erect stems and round flat green leaves. Water well when leafed out.
Soil
Stephania perrieri
Deciduous; variable caudex to 12″, vining to 30ft.
Water well when leafed out.
Stephania venosa
Moderate sized caudiciform, 10-15″ across, with broad green leafy vines and blood red sap. Small orange flower sprays. Donut-shaped seeds are called Moon Seeds. Low water, but rich soils.
Stetsonia coryne
Tall columnar to 26ft.; branchy with long spines; night blooms
Stomatium agninum
Pairs of elongate leaves; yellow flowers
Synadenium grantii “Rubra”
Shrub to 10ft, thick variegated leaves; poison milky-white sap