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pascalia

Habit Perennials, 30–100 cm (rhizomatous).
Stems

erect, branched ± throughout.

Leaves

cauline; opposite;

petiolate or sessile;

blades (3-nerved) lanceolate to lance-linear (widest at or proximal to middles, not notably fleshy), bases cuneate, margins entire or toothed, faces sparsely scabrous.

Involucres

campanulate to hemispheric, 10–15 mm diam.

Receptacles

hemispheric, paleate (paleae lanceolate to ovate, conduplicate, becoming papery).

Ray florets

13–21, pistillate, fertile;

corollas yellow.

Disc florets

45–90+, bisexual, fertile;

corollas yellow, tubes shorter than campanulate throats, lobes 5, ± deltate.

Phyllaries

persistent, 20–28 in 2–3 series (linear to lance-linear, herbaceous, subequal or outer longer than inner, spreading in fruit).

Heads

radiate, borne singly.

Cypselae

3-angled or ± compressed and weakly 4-angled (epidermes usually thick, corky, bases without elaiosomes, apices not rostrate);

pappi 0, or persistent, coroniform (of connate scales plus 0–2 awns).

x

= 33.

Pascalia

Distribution
from USDA
South America [Introduced in North America]
[BONAP county map]
Discussion

Species 2 (1 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 21, p. 131. Author: John L. Strother.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae
Subordinate taxa
P. glauca
Name authority Ortega: Nov. Pl. Descr. Dec., 39, plate 4. (1797)
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