Allionia species

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Scientific Name Allionia choisyi USDA PLANTS Symbol
ALCH
Common Name Annual Windmills ITIS Taxonomic Serial No.
19579
Family Nyctaginaceae (Four O'clock) SEINet
Reference
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Description Habitat: Desert habitat; dry, sandy or gravelly areas.
Plant: Low, trailing annual with long often reddish stems up to 24 inches long; stems, buds and leaves covered with fine hairs.
Leaves: Opposite, thick leaves usually with wavy edges, 3/8 to 1-1/4 inches long, largest near base becoming progressively smaller; on petioles 3/4-inch long or less.
Inflorescence: From leaf axils along stems, deep pink flowers less than 1/2 inch across are actually clusters of 3 flowers, each with 3 asymmetric 2-lobed petals; on peduncles less than 3/8-inch long.
Bloom Period: May to September.
References: SEINet and Southwest Desert Flora.
Texas Status
Native
Scientific Name Allionia incarnata USDA PLANTS Symbol
ALIN
Common Name Trailing Four O'clock, Trailing Windmills ITIS Taxonomic Serial No.
19581
Family Nyctaginaceae (Four O'clock) SEINet
Reference
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Description Habitat: Dry, sandy, rocky or gravelly soils and in limestone areas on hillsides and flats.
Plant: Low, trailing perennial with long branches 16 to 48 inches long; stems, buds and leaves covered with fine hairs; stems and leaves glandular-hairy and sticky-viscid, often with sand sticking to them.
Leaves: Opposite, oval to broadly rounded-triangular, thick leaves usually with wavy edges, 3/4 to 2-1/2 inches long, largest near base becoming progressively smaller; on petioles 1-3/8 inches long or less.
Inflorescence: From leaf axils along stems, deep pink flowers about an inch across are actually clusters of 3 flowers, each with 3 asymmetric 2-lobed petals; on peduncles up to 1-inch long.
Bloom Period: April to October.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, SEINet and Southwest Desert Flora.
Texas Status
Native

© Tom Lebsack 2019