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Tropic daisy

Habit Annuals, 10–60 cm (gland-dotted; taprooted).
Stems

erect to decumbent, much branched, sometimes arachnose in early growth.

Leaves

basal and cauline; alternate;

petiolate or sessile;

blades (1-nerved) obovate to spatulate (bases clasping to subclasping), margins pinnatifid [lobed or toothed], (apices rounded to obtuse or acute) faces glabrous, villous, or tomentose, sometimes stipitate-glandular.

Involucres

shallowly hemispheric or cupulate, ([3–]4–6 × 4–10 mm).

Receptacles

conic, pitted, epaleate.

Ray florets

18–28[16–200] (in 1[–4] series, 1-nerved, midnerves barely evident), pistillate, fertile;

corollas white to bluish white (laminae broad or filiform, longer or shorter than involucres).

Disc florets

130–300 bisexual, fertile;

corollas yellow, tubular-funnelform (with slight differentiation of tubes and limbs), tubes shorter than throats, lobes 3–5, erect, deltate;

style-branch appendages triangular.

Phyllaries

10–25 in 2–3 series, lanceolate-triangular, subequal, thinly herbaceous, flat, margins scarious or not, abaxial faces glabrous or stipitate-glandular, villous, or tomentose.

Heads

radiate, usually borne singly (axillary, apparently opposite leaves), or in loose corymbiform arrays.

Cypselae

oblong to narrowly obovoid, slightly compressed, 2-ribbed, glabrous or stipitate-glandular;

pappi whitish, coroniform (cartilaginous crowns or shallow cups [broad, flaring]).

x

= 9.

Egletes

Distribution
from FNA
TX; Mexico; Central America; South America; West Indies
[BONAP county map]
Discussion

Species 6 (1 in the flora).

The species of Egletes occur mostly in coastal habitats, from south Texas and Mexico through Central America, northern South America, and the Lesser Antilles. Plants are characterized by their low, herbaceous habit; glandular-resinous vestiture; narrow, multiseriate, often inconspicuous rays; conic receptacles; and compressed, glandular cypselae with coroniform pappi.

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

Source FNA vol. 20, p. 35. Author: Guy L. Nesom.
Parent taxa Asteraceae > tribe Astereae
Subordinate taxa
E. viscosa
Name authority Cassini: Bull. Sci. Soc. Philom. Paris 1817: 153. (1817)
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