Jepson eFlora
Key to families | Table of families and genera

Key to Centromadia

View taxon page for Centromadia

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Disk pappus 0; leaves not or minutely glandular ..... C. pungens

2. Paleae tips barely or not exserted, obtuse to acute, sometimes abruptly sharp-pointed; leaf margins bristly-ciliate, faces glabrous except midribs bristly ..... subsp. laevis

2' Paleae tips often strongly exserted, ± long-tapered, spine-tipped; leaf margins sometimes ciliate, at least near base, faces glabrous, scabrous, or coarsely hairy, midribs often bristly ..... subsp. pungens

1' Disk pappus of 3–5, linear to awl-shaped scales, or 8–12, narrowly oblanceolate to linear scales; leaves sometimes minutely to conspicuously glandular

3. Leaves densely soft- or coarse-hairy, stalked-glandular, glands yellow, brown, or black; anthers ± red to dark purple; disk pappus of 8–12, linear or narrowly oblanceolate scales ..... C. fitchii

3' Leaves glabrous, scabrous-puberulent, or ± coarsely to softly hairy, sometimes glandular, glands yellow; anthers yellow to ± brown or ± red to dark purple; disk pappus of 3–5, linear to awl-shaped scales ..... C. parryi

4. Anthers ± red to dark purple; leaves soft- or ± coarse-hairy or puberulent, stalked-glandular; paleae often with 2 purple lines along inner edges of scarious margins ..... subsp. australis

4' Anthers yellow or ± brown; leaves glabrous, scabrous-puberulent, or ± coarse-hairy, not soft-hairy, glandular or not; paleae lacking purple lines.

5. Leaves scabrous-puberulent and generally ± coarse-hairy or bristly-ciliate, not glandular or glands minute, scattered; involucre 3.5–5 mm; ray 2–3 mm ..... subsp. rudis

5' Leaves glabrous or coarsely hairy to puberulent, glandular or not; involucre 4–10 mm; ray 2.5–5(6) mm.

6. Peduncle bracts seldom glandular, sometimes with minute, stalked, ± yellow glands among nonglandular hairs; ray 2.5–3(4.5) mm ..... subsp. congdonii

6' Peduncle bracts coarsely glandular, glands sessile or short-stalked, yellow; ray 3–5(6) mm ..... subsp. parryi

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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