Glandularia species [Verbenaceae]

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Scientific Name Glandularia bipinnatifida var. ciliata (Glandularia wrightii, Verbena wrightii) USDA PLANTS Symbol GLBIC
Common Name Davis Mountain Mock Vervain, Desert Verbena ITIS Taxonomic Serial No. 833952
Family Verbenaceae (Verbena) SEINet
Reference
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Description Habitat: Gravelly banks and washes, roadsides, grasslands, limestone slopes, scrub at higher altitudes 3,400-8,000 ft in desert environments.
Plant: Perennial 6 to 24 inches tall with spreading to erect hairy stems.
Leaves: Opposite, with short petioles; blades ovate to lanceolate-ovate 0.8 to 1.6 inches long, once or twice pinnately-lobed; hairy but without glands.
Inflorescence: Short, dense terminal spikes of showy pink-purple, sometimes white blossoms, each with 5 petals and subtended by a bractlet shorter or about the same length as the calyx which is sparsely to moderately covered with glandular hairs.
Bloom Period: April to September.
References: SEINet and "Manual of Vascular Plants of Texas" by Correll and Johnston.
BONAP Distribution Map

Texas Status:
Native
Scientific Name Glandularia quadrangulata (Verbena quadrangulata) USDA PLANTS Symbol
GLQU
Common Name Beaked Mock Vervain ITIS Taxonomic Serial No.
832798
Family Verbenaceae (Verbena) SEINet
Reference
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Description Habitat: Various soils (sand, clay, caliche) in fields, desert scrub, open areas, beaches and waste ground.
Plant: Prostrate to ascending short-lived perennial or annual, hairy stems branched from base up to 10 inches tall.
Leaves: Opposite, short-petiolate or sessile with blades ovate in outline and pinnately-cleft into 3 segments, each segment lobed and incised; overall up to 1-1/4 inches long; surfaces and margins hairy but without glands.
Inflorescence: Dense terminal spikes becoming elongated; small tubular white blossoms (often with tinges of purple or lavender), 1/8-inch across, each with 5 notched lobes of unequal length.
Bloom Period: February to August.
References: "The Manual of Vascular Plants of Texas" by Correll and Johnston, "Texas Wildflowers" by Michael Eason, and Texas Species of Glandularia (Verbenaceae) by B. L. Turner.
Note: These images show what would appear to be two different species with different leaf shapes and the spike lengths, but there is now only one recognized Glandularia with white blossoms in Texas.
BONAP Distribution Map

Texas Status:
Native

© Tom Lebsack 2022