TREATMENT FROM THE JEPSON MANUAL (1993) |
previous taxon |
next taxon
Jepson Interchange (more information) |
|
©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Annual to tree
Leaves simple to pinnately to palmately compound, generally alternate; stipules free to fused, persistent to deciduous
Inflorescence: cyme, raceme, panicle, or flowers solitary
Flower generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, often with bractlets alternate with sepals; sepals generally 5; petals generally 5, free; stamens (0)5many, pistils (0)1many, simple or compound; ovary superior to inferior, styles 15
Fruit: achene, follicle, drupe, pome, or blackberry- to raspberry-like
Seeds generally 15
Genera in family: 110 genera, ± 3000 species: worldwide, especially temp. Many cultivated for ornamental and fruit, especially Cotoneaster , Fragaria , Malus , Prunus , Pyracantha, Rosa , and Rubus
Reference: [Robertson 1974 J Arnold Arbor 55:303332,344401,611662]
Family description, key to genera by Barbara Ertter and Dieter H. Wilken.
Perennial; glands inconspicuous
Stem ascending to erect
Leaves generally basal, odd-1-pinnate; leaflets lobed, unevenly toothed, often alternately large and small
Inflorescence: generally cyme, open
Flower: hypanthium shallow; bractlets generally 5; sepals 5; petals 5; stamens > 20; pistils many, ovaries superior, continuous to style at top
Fruit: achene ± flat; style long, persistent
Species in genus: 4050 species: generally n temp, arctic
Etymology: (Latin: ancient name)
Native |
Plant tufted, drying blackish green
Stem 40100 cm
Leaf 1540 cm; main leaflets 13 per side, largest nearly = lobes of terminal leaflet; terminal leaflet 510 cm, generally 3-lobed nearly to base, sharply toothed
Inflorescence generally 310-flowered; pedicels straight
Flower rotate; bractlets < 3 mm, linear-lanceolate; sepals reflexed, 47 mm; petals 48 mm, ± ovate, unnotched, yellow, deciduous
Fruit: body 45 mm; style 46 mm, hooked below generally deciduous tip, hairs 0 to sparse
Chromosomes: n=21
Ecology: Very uncommon. Meadows
Elevation: 4501500 m.
Bioregional distribution: n High Cascade Range (Mount Shasta), Modoc Plateau (Susanville)
Distribution outside California: to n&e N.America, Eurasia
Synonyms: G. strictum Aiton