Flora of North America species comparison

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Pyrrhopappus grandiflorus

tuberous desert-chicory
Habit Perennials (possibly flowering first year), 5–30(–45+) cm (roots or rootstocks producing tuberiform swellings 1–15 cm below soil surface).
Stems

usually scapiform, usually branching from bases, proximally glabrous or sparsely to densely pilosulous.
Cauline leaves

0(–3), proximal mostly lanceolate, margins usually pinnately lobed, distal linear-filiform, margins entire.
Involucres

cylindric to turbinate, 17–25 mm.
Florets

40–60+;

anthers 4.5–5 mm (pollen equatorial diameters 46–52 µm).
Phyllaries

13–22.
Calyculi

bractlets 8 in 1(–2) series, linear to subulate, 3–8 mm.
Heads

borne singly or 2–3 in loose, corymbiform arrays.
Cypselae

bodies stramineous, 4–5 mm, beaks 6–7 mm;

pappi 10–12 mm.
2n

= 24.

Pyrrhopappus grandiflorus
Phenology Flowering Apr–Jun.
Habitat Disturbed sites, calcareous, loamy, or sandy soils
Elevation 100–800 m (300–2600 ft)
Distribution
from FNA
KS; OK; TX
[WildflowerSearch map]
[BONAP county map]
Discussion

Pyrrhopappus grandiflorus has been reported from Arkansas and New Mexico; I have seen no specimens of it from those states.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 377.
Parent taxa Asteraceae > tribe Cichorieae > Pyrrhopappus
Sibling taxa
P. carolinianus, P. pauciflorus, P. rothrockii
Synonyms Barkhausia grandiflora
Name authority (Nuttall) Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 430. (1841)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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