|University of California, Berkeley|
|Directory News Site Map Home|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Annual to subshrub; hairs needle-like, barbed, occasionally stinging. Leaf: alternate [opposite], generally ± pinnate-lobed; stipules 0. Inflorescence: cyme, raceme. Flower: bisexual, radial; sepals generally 5, generally persistent; petals generally 5, free or fused to each other or filament tube; stamens 5–many, filaments thread-like to flat, occasionally fused at base or in clusters; petal-like staminodes occasionally present; pistil 1, ovary inferior, chamber generally 1, placentas generally 3, parietal, style 1. Fruit: capsule or achene. Seed: 1–many.
18+ genera, 250 species: especially America (Africa, Pacific). [Ernst & Thompson 1963 J Arnold Arbor 44:138–142] —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Key to Loasaceae
Subshrub; hairs barbed. Leaf: linear to ± round, entire to toothed; base tapered to cordate. Inflorescence: raceme, generally terminal; bracts 3 per flower, outer 1 > inner 2. Flower: sepals ± deciduous; petals free or claws adherent, fused below blades; stamens generally 5, free; ovary ± ovoid, placenta 1, stigma 1. Fruit: achene, ± ovoid, generally 5-veined or -ribbed, erect. Seed: 1, 1.5–2.5 mm, ± fusiform, generally smooth.Key to Petalonyx
5 species: southwestern United States, northwestern Mexico. (Greek: petal claw) [Davis & Thompson 1967 Madroño 19:1–32]
Plant < 100 cm. Leaf: clasping, 4–45 mm, lanceolate to deltate-ovate, acute to acuminate, entire to few-toothed. Inflorescence: 1–4 cm; outer bract 4–7.5 mm, deltate-ovate; inner bracts 2–3 mm, lanceolate to ovate, tapered to cordate, acute to ± acuminate, crenate or lobed; pedicels < 1 mm. Flower: petals 2.5–6.5 mm, cream, claws adherent, fused in upper 1/5; stamens well exserted; style 3–11 mm. [Online Interchange]
Previous taxon: Petalonyx nitidus
Next taxon: Petalonyx thurberi subsp. gilmanii
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 22 2015
Citation for this treatment: [Author of taxon treatment] 2013. Petalonyx, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=37314, accessed on May 22 2015
Copyright © 2014 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.
|Geographic subdivisions indicated for the distribution of Petalonyx thurberi|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
View elevation by latitude chart
| Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
CCH collections by month