Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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ROSACEAE

ROSE FAMILY

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)5–many, pistils (0)1–many, simple or compound; ovary superior to inferior, styles 1–5
Fruit: achene, follicle, drupe, pome, or blackberry- to raspberry-like
Seeds generally 1–5
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 55:303–332,344–401,611–662]
Family description, key to genera by Barbara Ertter and Dieter H. Wilken.

CHAMAEBATIARIA

FERN BUSH, DESERT SWEET

Thomas J. Rosatti


Species in genus: 1 sp
Etymology: (Greek: Chamaebatia -like)

Native

C. millefolium (Torr.) Maxim.

Shrub < 20 dm, densely branched, strong-smelling, generally stellate-hairy, glandular
Leaf odd-(1)2-pinnate, 2–8 cm, oblong; stipules entire; 1° leaflets 31–43; 2° leaflets (0)11–35, < 2 mm, sessile, sometimes with a sessile gland-tip, lobes or teeth 0–3(5)
Inflorescence: panicle or raceme, 3–10 cm
Flower: bractlets on hypanthium 0; sepals 3–5 mm, lanceolate; petals ± 5 mm, ± round, white; pistils 4–5, ovaries superior, ± fused below, styles free
Fruit: follicles 3–5 mm, leathery, dehiscent on inner suture and upper half of outer suture
Seeds few, 2.5–3.5 mm, narrowly fusiform, yellowish
Ecology: Dry, rocky sagebrush scrub, pinyon/juniper woodland, pine forest
Elevation: 900–3400 m.
Bioregional distribution: Klamath Ranges, Cascade Range, Sierra Nevada (e slope), Great Basin Floristic Province, ne Desert Mountains
Distribution outside California: to Oregon, Wyoming, Arizona
Flowering time: Jun–Aug
Horticultural information: DRN, SUN: 1, 2, 3, 7, 14, 15, 16, 17, 18, 19, 20, 21.

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