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| Jepson eFlora: Taxon page
Key to families | Table of families and genera |
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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 | |
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Annual to tree, glandular or not.
Leaf: simple to palmately or pinnately compound, generally alternate; stipules free to fused (0), persistent to deciduous.
Inflorescence: cyme, raceme, panicle, cluster, or flowers 1; bractlets on pedicel (" pedicel bractlets") generally 0–3(many), subtended by bract or generally not.
Flower: generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, subtending bractlets (" hypanthium bractlets") 0–5, alternate sepals; sepals generally 5; petals generally 5, free; stamens (0,1)5–many, anther pollen sacs generally 2; pistils (0)1–many, simple or compound, ovary superior to inferior, styles 1–5.
Fruit: 1–many per flower, achene ( fleshy-coated or not), follicle, drupe, or pome with generally papery core, occasionally drupe-like with 1–5 stones.
Seed: generally 1–5 (per fruit, not per flower).
110 genera, ± 3000 species: worldwide, especially temperate; many cultivated for ornamental, fruit, especially Cotoneaster, Fragaria, Malus, Prunus, Pyracantha, Rosa, Rubus. [Potter et al. 2007 Plant Syst Evol 266:5–43] Number of teeth is per leaf or leaflet, not per side of leaf or leaflet, except in Drymocallis. —Scientific Editors: Daniel Potter, Thomas J. Rosatti.
Unabridged references: [Robertson 1974 J Arnold Arbor 55:303–332, 344–401, 611–662]
Shrub.Key to Purshia
Leaf: ± clustered on short- shoots, simple, persistent or drought- deciduous, generally deeply 3–9-lobed, generally with ± sunken glands adaxially, margin generally not toothed, ± strongly rolled under; bases persistent, overlapping, sheathing stem.
Inflorescence: flowers generally 1 on short- shoots.
Flower: hypanthium ± funnel-shaped, outside hairy, partly glandular or not, bractlets small, lanceolate; sepals 5, overlapping; petals 5, white to cream [yellow]; stamens (15)20–80(125); pistils 1–7(10), simple.
Fruit: achene, ± fusiform to oblong, styles persistent, ± hairy.
6 species: sw US, n Mex. (Frederick T. Pursh, North America botanist, 1774–1820)
Unabridged etymology: (Frederick T. Pursh, North America botanist, author of Flora Americae Septentrionalis, 1774–1820)
Unabridged references: [Koehler & Smith 1981 Madroño 28:13–25; Henrickson 1986 Phytologia 60:468]
Plant 10–40(75) dm.
Leaf: lobes (3)5(7), central not spiny at tip, lateral from below middle, above.
Flower: hypanthium ± 5 mm; sepals 3–5 mm; petals 7–13 mm, widely ovate; pistils (3)4–7(10).
Fruit: glabrous to becoming so; styles 20–60 mm, plumose.
n=9. Joshua-tree, pinyon/juniper woodland; 900–2600 m. White and Inyo Mountains, Desert Mountains;
Previous taxon: Purshia
Next taxon: Purshia tridentata
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].
Copyright © 2012 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.
| Bioregions in which taxon occurs | 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. |
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Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates. | Data provided by the participants of the Consortium of California Herbaria.
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