Araujia sericifera
(Bladderflower, Cruel vine, Cruel plant)

Asclepiadaceae

 

Description:
Fast-growing perennial vine with milky juice.  Stems twining, slender, woody, sometimes branched, typically less than 12 meters long.  Older growth glabrous or nearly  so, new growth covered with short white hairs.  Leaves opposite, narrowly triangular, bases truncate to slightly lobed, 5-12 cm long, 2-6 cm wide.  Upper surfaces glabrous, glossy dark green.  Lower surfaces gray-green.  Flowers clusters (cymes) 2-10 flowered, develop from just below leaf axils, fragrant, waxy, white to pink, 2-3 cm long, about 1-2 cm wide.  Petals fused, 5-lobed, bell to funnel-shaped.  Fruit: pods narrowly ovoid, pendant, 8-15 cm long, 4-5 cm in diameter, pale-green.  Seeds with numerous silky white, deciduous hairs.  Flowers: summer.

Distribution:
Santa Cruz Island, throughout much of southern and central California, North Carolina, Georgia, Florida.  Native of Brazil and Peru.

 

Santa Cruz Island

Scarce; interior bluffs, grasslands 350 - 400 feet. 

2007(1) in upper Scorpion Canyon on bluff above main fork (eastern side). 
200
7(2)  Delphine's Grove (between trail and cypress trees)

 

The leaves of Araujia sericifera

 

 

The whole plant (placed on a rock for this photo).

 

(1) Species first discovered at this location by Dirk Rodriguez, Channel Islands National Park.  Plant was subsequently removed.
(2) Two plants found and removed by Ken Owen, Channel Islands Restoration

Plant descriptions adapted from Weeds of California and Other Western States.  Joseph M. DiTomaso and Evelyn A. Healy.Web design by Ken Owen


Copyright © 2007 Channel Islands Restoration
Photographs copyright  © 2003 - 2006 Ken Owen (unless otherwise noted) 
Use with permission only
Last modified: 12/20/2007