Barbara's buttons

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Barbara's buttons habit

Barbara's buttons leaves

Barbara's buttons inflorescence

Barbara's buttons florets

Barbara's buttons

Barbara's buttons habit

Barbara's buttons habit

Barbara's buttons florets

Morphology

Stem

Erect, unbranched, arising singly or often clustered, somewhat hairy, especially upward.

Leaves

Mostly basal, alternate, firm; petiolate; blades linear-lanceolate to linear-elliptic, 2 to 6 inches long, .1 to .4 inch wide, 3-nerved, margins entire, surfaces glabrous.

Inflorescence

Heads borne singly, discoid, .8 to 1.3 inch across; peduncles .4 to 1.1 inch; involucres hemispheric; phyllaries 12-24 in 2 series, narrow, leaf-like, tips obtuse to acute, often mucronate.

Flower

Ray florets absent; disc florets 45-90, tubular, fertile; corollas white to pale lavender, usually hairy, prominently lobed; lobes 5, lance-linear, .16 to .24 inch long.

Fruit

Achene, turbinate or clavate, 5-angled, 1-ribbed; pappus of 5 translucent scales, .1 inch long, equaling or exceeding the achene, margins irregularly fringed.

Ecology

Habitat

Limestone outcrops, sandy soils

Distribution

Montgomery and Cherokee counties in Kansas

Additional Notes