Pinaropappus roseus
Pinaropappus parvus
white dandelion or rocklettuce, white rock-lettuce
small rocklettuce
1–20+, bases relatively thin.
3–10+, bases relatively think.
blades narrowly oblanceolate, 4–12 cm × 2–15 mm;
mid cauline often reduced to linear or minute bracts.
blades linear-oblanceolate, 2–5 cm × 1–3 mm;
cauline progressively reduced to linear bracts.
campanulate, 10–15 × 12–20 mm.
narrowly cylindric, 8–10 × 3–5 mm.
20–40;
corollas pale pink abaxially, white to yellow adaxially, 15–18 mm.
20–30;
corollas pink, 6–8 mm.
ovate to narrowly lanceolate, unequal, 2–14 mm, apices dark brown, obtuse to acute.
purplish (margins white), broadly lanceolate, 6–8 mm, apices purple to dull brown (necrotic), acute.
5–6 mm;
pappi 4–7 mm.
4–5 mm;
pappi 2–3 mm.
12–18 mm.
7–8 mm.
= 18.
Pinaropappus roseus
Pinaropappus parvus
At flowering, phyllaries of Pinaropappus roseus are pale green with margins suffused with pink. On fresh specimens, the dark brown tips are distinctive. Specimens from the mountains of southeastern Arizona and southwestern New Mexico with stems leafy beyond the middles have been recognized as var. foliosus; that trait appears to be widespread and part of the normal range of variation for the species.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Pinaropappus parvus is easily recognized by the extremely dense clumping habit, relatively short stems, and relatively small heads. At flowering, the phyllaries are usually purple in the center with scarious margins and purple to dull brown tips.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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