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Wasowski, Sally and Andy
Ephedra antisyphilitica Berl. ex C.A. Mey.
Mormon tea, Joint-fir, Clapweed, Popote
Synonym(s): Ephedra antisyphilitica var. brachycarpa
USDA Symbol: epan
USDA Native Status: L48 (N)
An upright or spreading shrub found on limestone hillsides, on bluffs, and in gravelly or stony upland soils. Jointed branches green to yellowish or grayish green, with a light orange to yellow or tan band encircling the stem below the leaves. Leaves minute, scalelike at the joints. Reproductive structures in small cones, 1/4 to l/2 inch long, emerging from the joints. Not to be confused with either Horsetail or Scouring-rush, genus Equisetum, which are herbaceous.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf Complexity: Simple Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Not Applicable
Bloom Time: Feb , Mar , Apr
Bloom Notes: Reproductive structures in small cones.
, TX Native Habitat:
Prairie, Plains, Meadows, Pastures, Savannahs, Canyons, Ditches, Ravines, Depressions
Growing ConditionsWater Use:
Low Light Requirement:
Part Shade Soil Moisture:
Dry Cold Tolerant:
Gravelly, Caliche type, Sandy, Sandy Loam, Medium Loam, Clay Loam
Clay Conditions Comments:
This plant is a gnetophyte and has neither flowers nor leaves, and is easily overcome by other, more hardy species. The green stem
of the plant grows and branches from nodes. Instead of flowers the plant developes cones which produce spores. Do not overwater. Protect from rabbit and deer.
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Herbarium Specimen(s)NPSOT 0994
Collected Oct 12, 1994 in Bexar County by Harry Cliffe
Record Last Modified: 2009-04-08
Research By: NPC