Texas
Wildbuds

Agalinis strictifolia

(Stiff-leaf False Foxglove)

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Agalinis strictifolia, Lake Brownwood State Park, Brown Co. 9368

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Agalinis strictifolia, Lake Brownwood State Park, Brown Co. 9382

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Agalinis strictifolia, Lake Brownwood State Park, Brown Co. 9377

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Agalinis strictifolia, Lake Brownwood State Park, Brown Co. 9358

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Agalinis strictifolia, Lake Brownwood State Park, Brown Co. 9370

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Agalinis strictifolia, Lake Brownwood State Park, Brown Co. 9371

Scientific Name Agalinis strictifolia USDA PLANTS Symbol AGST4
Common Name Stiff-leaf False Foxglove ITIS Taxonomic Serial No. 33035
Family Orobanchaceae (Broomrape) SEINet
Reference
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Description Habitat: Sandy soils in open areas in grasslands, old fields, pastures and scrub.
Plant: Annual, much-branched from single stem at base, with open canopy of ascending to spreading branches; 12 to 40 inches tall with green to purple stems, aging to blackish.
Leaves: Short, narrow, opposite, linear leaves, spreading or vertical; lower ones 3/4 to 1-3/8 inches long and less than 1/8-inch wide; blades on the flowering branches are up to about 1/2-inch long; surfaces fine-rough to smooth.
Inflorescence: Racemes with one or two pink flowers per node on pedicels 3/8 to 1-1/8 inches long; corolla is strongly curved upward, 3/4 to 1-inch long with 2 lips and 5 spreading lobes with conspicuous hairs along the edges; inner surface of the throat is white with rose spots and two parallel yellow lines; 4 stamens fused together in two pairs with hairy anthers; style protrudes beyond anthers; calyx is smooth with very short (1 to 2 mm) triangular lobes.
Bloom Period: September to October.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, Flora of North America and "Vascular Plants of Williamson County" by A.C. Gibson.
BONAP Distribution Map

Map Color Key
Texas Status:
Native

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2024