PHARMACEUTICAL BOTANY 
386 . 
elongate with terminal brush of hairs, knobbed or multifid; stigma 
circular band or circular spur beneath terminal style swelling. Fruit 
two follicles (Apocynum, etc.), a berry, drupe, or capsule. Seeds 
flattened, frequently hairy, albuminous. 
Official drug 
Part used 
Botanical origin 
f Strophanthus 
Habitat 
Strophanthus 
Seeds (deprived 
of awn) 
Kombe 
Strophanthus 
[ hispidus 
• Africa 
Strophanthin 
Glucoside 
Strophanthus 
hispidus 
Africa 
Apocynum N.F. 
Rhizome and 
Apocynum 
United States and 
roots 
cannabinum 
Canada 
Aspidosperma 
Bark 
Aspidosperma 
Quebracho bianco 
Central and South 
America 
Asclepiadacece or Milkweed Family. —Herbs or shrubs -containing 
a milky juice, many species yielding rubber. Leaves entire, more 
or less fleshy, sometimes verticillate. Inflorescence usually a 
dichesial or scorpioid cyme. Flowers regular, pentamerous; sepals 
wooly, small, synsepalous; petals five, rarely four, synpetalous, elon¬ 
gated into awls; the corolla varying in shape from stellate to cam- 
panulate and in color from pale green to yellow, to greenish-brown, 
chocolate, or from white to yellow, to scarlet, to crimson, to purple, to 
blue; stamens five, epipetalous, fused in relation forming a cylindrical 
swollen mass around the central pistil; filaments flattened and 
furnished with a crown having various appendages; anthers two- 
celled, each cell containing a pollen mass (pollinium), adhering to the 
glandular prominences of the stigma; pistil bicarpellate, superior. 
Fruit typically two dry follicles ( Asclepias ), rarely becoming succu¬ 
lent or bladdery. JSeeds numerous, compressed, imbricate with a 
comose appendage. 
Official drug Part used Botanical origin Habitat 
Asclepias N.F. Roots Asclepias tuberosa United States 
Condurango N.F. Bark “Marsdenia Peru and Ecudador 
Condurango 
IV. Order Tubiflorse or Polemoniales .—Convohulacece or Morn- 
ing glory Family.— Frequently herbaceous, more rarely sub-woody, 
