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Pyrrhopappus species [Asteraceae]

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Scientific Name Pyrrhopappus carolinianus USDA PLANTS Symbol PYCA2
Common Name Carolina False Dandelion, Carolina Desert Chicory ITIS Taxonomic Serial No. 38324
Family Asteraceae (Sunflower) SEINet
Reference
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Description Habitat: Sandy soils in fields, woodlands, lawns and disturbed sites.
Plant: Erect annual 12 to 40 inches tall; stems usually branching from the base and above and with fine longitudinal ridges; lower portions hairless, upper portions may have soft hairs.
Leaves: Blades 1-1/4 to 10 inches long; basal leaves oblanceolate, edges are entire to pinnatisect; lower stem leaves mostly lanceolate, edges are usually dentate, sometimes pinnately-lobed; upper stem leaves narrowly lanceolate with entire margins or with one or two lobes near their base.
Inflorescence: Solitary or a few yellow heads at stem tips in corymb-like arrays, each up to 2 inches across with 50 to 150 or more rays; rays have 5 notches at tips; dark anther tubes protruding from the center; no disk florets; cylindrical involucre below has green phyllaries in two series, a row of short outer ones at the base and an inner row of much longer ones.
Bloom Period: April to July.
References: "Texas Wildflowers" by Michael Eason, "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Shinners & Mahler’s Flora of North Central Texas" by Diggs, Lipscomb and O’Kennon, Missouri Plants and SEINet.
BONAP Distribution Map

Texas Status:
Native
Scientific Name Pyrrhopappus pauciflorus (Pyrrhopappus multicaulis) USDA PLANTS Symbol PYPA4
Common Name Texas Dandelion ITIS Taxonomic Serial No. 507140
Family Asteraceae (Sunflower) SEINet
Reference
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Description Habitat: Calcareous or clay soils in disturbed sites and prairies.
Plant: Erect annual 6 to 24 inches tall.
Leaves: Mostly oblanceolate to lanceolate, usually pinnatifid basal leaves, 3 to 8 inches long; few stem leaves, much smaller with few lobes, indentations or entire margins.
Inflorescence: Solitary or a few yellow heads at stem tips in corymb-like arrays, each 3/4 to 2 inches across with 50 to 60 rays; rays have 5 notches at tips; dark anther tubes protruding from the center; no disk florets; cylindrical involucre below has green phyllaries in two series, a row of short outer ones at the base and an inner row of much longer ones.
Bloom Period: February to June.
References: "Wildflowers of the Texas Hill Country" by Marshall Enquist, "Texas Wildflowers" by Geyata Ajilsvsgi and SEINet and P. multicaulis in "Manual of the Vascular Plants of Texas" by Correll and Johnston.
Note: All of the references that I have checked indicate that P. pauciflorus rays are yellow with no mention of white. But the images below from Val Verde County have white rays with just a tinge of yellow at the tips, and the image from Bastrop County has a mix of white and yellow rays. All have the characteristic dark bands on the anther tubes.
BONAP Distribution Map

Texas Status:
Native

© Tom Lebsack 2022