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Eastwoodia
Eastwoodia
Family:
Asteraceae
Images
not available
Flora of North America
Resources
Guy L. Nesom in Flora of North America (vol. 20)
Shrubs,
rounded, 30-100 cm.
Stems
erect, branched, glabrous, often resinous.
Leaves
cauline
;
alternate; sessile; blades 1-nerved, linear to linear-oblanceolate, margins entire (apices acute), faces glabrous or sparsely hirtellous, gland-dotted (in pits), slightly resinous.
Heads
discoid, borne singly or in loosely corymbiform arrays.
Involucres
hemispheric to campanulate, impressed at base, 4-6 × 7-22 mm.
Phyllaries
30-45 in 3-5 series, stiffly erect, green on distal
1
/ 2 , 1-nerved (midnerves indurate and raised; slightly convex, strongly keeled by midnerves), oblanceolate, unequal, thick, proximally indurate, margins narrowly scarious, (apices acute to apiculate) faces glabrous , resinous.
Receptacles
flat, pitted, paleate (paleae falling quickly, oblanceolate, chartaceous).
Ray florets
0.
Disc florets
30-40, bisexual, fertile; corollas yellow, tubes longer than cylindric to funnel-shaped throats, lobes 5, spreading to reflexing, narrowly lanceolate; style branch appendages triangular-lanceolate.
Cypselae
(brownish
)
narrowly obconic, 3-4-angled, strigoso-sericeous (especially on angles);
pappi
persistent, of 5-8 linear-lanceolate, thick, flat, minutely erose scales in 1 series.
x
= 9.
Eastwoodia
is recognized by its white-barked, shrubby habit, linear, gland-dotted, resinous leaves, discoid heads on leafy stems, paleate receptacles, and pappi of long scales.
Eastwoodia elegans
Images
not available