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basindaisy

Habit Perennials, 10–50+ cm (bases ± woody, branched caudices).
Stems

± erect.

Leaves

basal and cauline; mostly alternate;

petiolate;

blades mostly lanceolate, sometimes ± ovate, margins en- tire, faces sparsely to densely scabrellous (hairs white, straight, conic or fusiform, 0.1–0.8 mm) and gland-dotted.

Involucres

campanulate to ± hemispheric, 12–25+ mm diam.

Receptacles

± convex, ± pitted, epaleate.

Ray florets

6–12, pistillate, fertile;

corollas yellow.

Disc florets

25–80+, bisexual, fertile;

corollas yellow to orange (gland-dotted), tubes about equaling funnelform to campanulate throats, lobes 5, deltate to lance-deltate.

Phyllaries

9–21 in ± 2 series, distinct, subequal, oblong or elliptic to lanceolate, herbaceous, membranous-margined (not purplish-margined), persistent, reflexed in fruit.

Heads

radiate, borne singly or (3–11) in loose, corymbiform to paniculiform arrays.

Cypselae

narrowly obpyramidal, 4-angled, finely nerved, ± hirsutulous (at least on angles), not gland-dotted;

pappi of 8–16, (distinct) lance-elliptic to lance-subulate (basally and/or medially thickened, distally and/or laterally scarious) scales in 1 series (weakly, if at all, aristate).

x

= 12.

Platyschkuhria

Distribution
from USDA
w United States
[BONAP county map]
Discussion

Species 1.

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

Source FNA vol. 21, p. 394. Author: John L. Strother.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Chaenactidinae
Subordinate taxa
P. integrifolia
Synonyms Schkuhria section P.
Name authority (A. Gray) Rydberg: Bull. Torrey Bot. Club 33: 154. (1906)
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