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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]
Key to Rosaceae
Perennial herb, hairs short, simple, nonglandular and/or long, cross-walled, glandular. Stem: ± erect, from ± branched caudex or rhizomes. Leaf: basal and cauline, alternate, odd-1-pinnately compound; leaflets toothed, terminal generally >= lateral. Inflorescence: cyme, ± open; pedicels straight, bractlets 0. Flower: hypanthium ± shallow, bractlets 5; sepals ± triangular; petals < to > sepals, white to yellow; stamens generally 20–25, pollen sac 1, horseshoe-shaped; pistils many, styles fusiform, attached below fruit middle. Fruit: achene, glabrous.Key to Drymocallis
30 species: northern temperate. (Greek: wood beauty) [Ertter 2007 J Bot Res Inst Texas 1:31–46] Recognition based on morphological, molecular evidence. Drymocallis ashlandica (Green) Rydb. (inflorescence narrow, petioles glandular, petals yellow) in southwestern Oregon, possibly northwestern California.
Unabridged note: Convergence of morphological, molecular evidence mandates recognition of Drymocallis; infrageneric taxonomy provisional. Key characters include relative proportions of 2 hair types: short simple nonglandular hairs and longer cross-walled glandular hairs.
Tufted. Stem: generally 20–45 cm, glandular hairs 0 to sparse at base. Leaf: basal generally 5–18 cm, sheathing base strigose, lateral leaflet pairs 2–3, terminal leaflet 10–30 mm, obovate-elliptic, obtuse to rounded, teeth ± single, 8–12 per side. Inflorescence: leafy or not, congested to spreading, branch angle generally 15–40°; pedicels 1–5 mm, lowermost to 15 mm, glandular hairs 0 to sparse, short nonglandular hairs generally dense. Flower: opening narrowly; hypanthium bractlets 2–3.5 mm, ± 1 mm wide, lance-linear; sepals generally 4–6 mm, ± obtuse; petals erect, 3–5 mm, < sepals, ± narrow-obovate, cream-white; styles 1.5–2.5 mm. Fruit: 1–1.3 mm, light red-brown.
Dry rocky slopes, roadcuts; 180–2500 m. Klamath Ranges, High North Coast Ranges, n High Cascade Range; southwestern Oregon. [Potentilla glandulosa subsp. globosa D.D. Keck] Jun–Jul [Online Interchange]
Previous taxon: Drymocallis pseudorupestris var. saxicola
Next taxon: Duchesnea
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 3 2015
Citation for this treatment: [Author of taxon treatment] 2013. Drymocallis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=81331, accessed on Jul 3 2015
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|Geographic subdivisions indicated for the distribution of Drymocallis rhomboidea|| 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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(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).
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