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Marcus, Joseph A.
Cooperia drummondii Herb.
Evening rain lily, Evening star rain lily
Synonym(s): Cooperia chlorosolen, Zephyranthes brazosensis, Zephyranthes herbertiana
USDA Symbol: CODR2
USDA Native Status: L48 (N)
The fragrant, solitary, white flower of this showy, bulbous perennial, is six-petaled and terminal on a leafless, 12 in. stem. Opening in the evening, it lasts 2-4 days before turning pink and withering. Smooth, gray-green, grass-like leaves elongate after the flower has faded. Cooperia drummondii is quite similar to C. pedunculata, but slightly smaller in every respect.
The species name of this plant is named for Thomas Drummond, (ca. 1790-1835), naturalist, born in Scotland, around 1790. In 1830 he made a trip to America to collect specimens from the western and southern United States. In March, 1833, he arrived at Velasco, Texas to begin his collecting work in that area. He spent twenty-one months working the area between Galveston Island and the Edwards Plateau, especially along the Brazos, Colorado, and Guadalupe rivers. His collections were the first made in Texas that were extensively distributed among the museums and scientific institutions of the world. He collected 750 species of plants and 150 specimens of birds. Drummond had hoped to make a complete botanical survey of Texas, but he died in Havana, Cuba, in 1835, while making a collecting tour of that island.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf Retention: Deciduous Leaf Complexity: Simple Size Notes:
10-12 Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: May , Jun , Jul , Aug , Sep
, TX Native Distribution:
From n. Mex. to NM,
& LA Native Habitat:
Prairie, Plains, Meadows, Pastures, Savannahs, Woodlands edge, Opening
Growing ConditionsWater Use:
Medium Light Requirement:
Sun , Part Shade Soil Moisture:
Dry , Moist Soil Description:
Clay, Clay Loam, Medium Loam, Sandy Loam, Sandy, Limestone-based, Caliche type. Conditions Comments:
The beautiful white ephemeral flowers appear after rains and are a good addition to a short-grass meadow. The bulbs also naturalize well in a lawn or among low groundcover plants and can be used in a flower
bed. Blooms best in full sun. While it may flower
in spring, the most frequent flowering is in late summer and fall. The plant almost always appears a day or so after rain.
Shortgrass meadow, Can be mowed, Perennial
garden, Showy Conspicuous Flowers:
PropagationPropagation Material: Seeds
Description: Seed in fall. Transplant divisions almost anytime.
Seed Collection: Collect seed several weeks after strong rains.
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
- Briggs, TXFar South Wholesale Nursery
- Austin, TX
Herbarium Specimen(s)NPSOT 0545
Collected Sep 6, 1987 in Bexar County by Harry CliffeNPSOT 0625
Collected Nov 5, 1993 in Bexar County by Mike FoxNPSOT 0266
Collected Aug. 29, 1992 in Comal County by Mary Beth WhiteNPSOT 0420
Collected Jun 4, 1987 in Bexar County by Harry CliffeNPSOT 0022
Collected July 19, 1990 in Bexar County by Judith C. Berry
Wildflower Center Seed BankLBJWC-159
Collected 2007-09-29 in Travis County by Lady Bird Johnson Wildflower Center
Record Last Modified: 2010-04-25
Research By: BJG, GDB