Album Caption: Oenothera albicaulis Pursh. Family : Primrose, Onagraceae. Flowers: Four large white lobes resembling petals at end of tube 1 inch long. Blooms from May to July. Leaves : Basal leaves, blunt, spatulate, toothed. Stem leaves, 2 to 5 inches long, deeply divided. Fruit : Pod, 1/2 to 2 inches long, 1/2 inch thick. Plant : Annual or biennial, 4 to 12 inches high, branched at the base. Published in U.S. Geological Survey Bulletin 1030-M, figure 114. 1957.
Summary
Album Caption:
Oenothera albicaulis Pursh. Family : Primrose, Onagraceae. Flowers: Four large white lobes resembling petals at end of tube 1 inch long. Blooms from May to July. Leaves : Basal leaves, blunt, spatulate, toothed. Stem leaves, 2 to 5 inches long, deeply divided. Fruit : Pod, 1/2 to 2 inches long, 1/2 inch thick. Plant : Annual or biennial, 4 to 12 inches high, branched at the base.
Published in U.S. Geological Survey Bulletin 1030-M, figure 114. 1957.
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