This section is from the book "Field Book Of Western Wild Flowers", by Margaret Armstrong. Also available from Amazon: Field Book Of Western Wild Flowers.
This is three feet or more tall, fine-looking, though too pale, with a stout, smooth, gray-green stem and gray-green leaves, mottled with white and very stiff, the under side white-woolly, and flower-clusters two and a half inches across, composed of numerous greenish-white flowers, each half an inch long, their stalks covered with white wool.
Pale Milkweed-Asclepias erosa. Purple Milkweed-Gomphocarpus cordifolius. DOGBANE FAMILY. Apocynaceae.
 
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