Texas Wildbuds

Corydalis micrantha ssp. australis

(Small-flower Fumewort)

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Corydalis micrantha ssp. australis, Inks Lake State Park, Burnet Co. 0247

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Corydalis micrantha ssp. australis, Inks Lake State Park, Burnet Co. 0236

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Corydalis micrantha ssp. australis, Inks Lake State Park, Burnet Co. 0245

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Corydalis micrantha ssp. australis, Inks Lake State Park, Burnet Co. 0248

Scientific Name Corydalis micrantha ssp. australis USDA PLANTS Symbol COMIA2
Common Name Small-flower Fumewort ITIS Taxonomic Serial No. 523914
Family Papaveraceae (Poppy) formerly Fumariaraceae SEINet
Reference
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Description Habitat: Sandy soils in disturbed areas, roadsides and open fields.
Plant: Upright to ascending annual 8 to 10 inches tall; one to several usually-unbranched stems.
Leaves: Dull green bi-pinnately-divided leaves with oblong to obovate ultimate leaflets that may be further incised; leaflet tips with small points.
Inflorescence: Raceme extending above leaves with 8 to 20 yellow, tubular, curved flowers; conspicuous bracts 1/4 to 3/4-inch long and up to 1/4-inch wide along pedicel, tapering to points; 2 very short sepals beneath blossom; 4 bright yellow petals, upper one bending upward and about 3/4-inch long with a crested hood and a spur about 1/3-inch long extending backward; lower petal spurless and about 1/2-inch long bending downward; lateral 2 petals inconspicuous.
Blooming Period: February to April.
Fruit: Erect, slender, strongly in-curved capsules 3/4 to 1-1/4 inch long. References: "Wildflowers of the Texas Hill Country" by Marshall Enquist, "Manual of the Vascular Plants of Texas" by Correll and Johnston and iNaturalist.
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 2025