Flora of North America species comparison

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Enceliopsis nudicaulis

naked-stem daisy, nakedstem sunray
Habit Perennials, 10–40 cm; herbage dull gray, hairs ± spreading.
Leaves

petioles not or barely winged;

blades suborbiculate to ovate, 2–6 × 2–6 cm.
Peduncles

15–45 cm.
Involucres

10–20 mm.
Ray florets

± 21;

corollas yellow, laminae 20–40 mm.
Phyllaries

in 3–5 series, narrowly lanceolate (bases ovate), apices acute.
Cypselae

± 9 × 3.5 mm, silky-hairy;

pappi of 2 awns 1–1.5 mm (plus minute scales or teeth).
2n

= 32.

Enceliopsis nudicaulis
Phenology Flowering Apr–Aug.
Habitat Stony hillsides, canyons
Elevation 900–2000 m (3000–6600 ft)
Distribution
from FNA
AZ; CA; ID; NV; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

Plants with strongly corrugate leaf margins from Ash Meadows, Nevada, are var. corrugata. Cronquist believed that corrugate-leaved plants from other areas in southern Nevada were a result of drying in press; D. L. Sanders (unpubl.) showed a gradual drop-off in corrugation of living leaves in the region to the east of Ash Meadows.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 112.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Enceliopsis
Sibling taxa
E. argophylla, E. covillei
Synonyms Encelia nudicaulis, E. nudicaulis var. bairdii, E. nudicaulis var. corrugata
Name authority (A. Gray) A. Nelson: Bot. Gaz. 47: 433. (1909)
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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