HORSETAIL MILKWEED 



Ascle'pias galioi'des 



W29 

 (2 leaves) 



Leaves narrowly linear, 2 to 4 in. 

 long, light green, hairless, in whorls of 

 3 to 6 at stem joints 



Flowers small, greenish white, in 

 stalked, umbrella-shaped clusters % to 

 1 in. across 



Inner flower crown (corona) ^talked, 

 with 5 hoods, each hood with incurved 

 horn on inside 



Stamens 5, their stalks (filaments) 

 united into a tube 



United petals 

 turned down 



(corolla) 5-lobed, 



Outer flower parts (sepals) 5, small, 

 egg-shaped, turned down, persistent 



Pollen masses (pollinia) waxy, in 



Eairs, suspended on stalks (translators) 

 om a sticky body (corpusculum) 



Seeds reddish brown, round in out- 

 line, about Y4 in. across, flattened, 

 tipped by numerous, white-silky hairs 

 about 1 in. long 



Seed pods (follicles) usually 1 to 3 

 in. long, narrow, somewhat spindle- 

 shaped, hairy, erect, thin-walled, split- 

 ting along side, many-seeded 



Stems erect, usually 1 or 2 (some- 

 times 5) ft. high, sometimes branched, 

 often somewhat woody at base 



Roots-r-extensive, woody, with deep- 

 set, spreading, horizontal, rootstock- 

 like branches from which new steins 



