TREATMENT FROM THE JEPSON MANUAL (1993) |
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©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 |
Perennial, shrub, tree
Stem: bark often peeling distinctively
Leaves simple, generally cauline, alternate, opposite, rarely whorled, evergreen or deciduous, often leathery, petioled or not; stipules 0
Inflorescence: raceme, panicle, cyme, or flowers solitary, generally bracted; pedicels often with 2 bractlets
Flower generally bisexual, generally radial; sepals generally 45, generally free; petals generally 45, free or fused; stamens 810, free, filaments rarely appendaged, anthers awned or not, dehiscent by pores or slits; nectary generally at ovary base, disk-like; ovary superior or inferior, chambers generally 15, placentas axile or parietal, ovules 1many per chamber, style 1, stigma head- to funnel-like or lobed
Fruit: capsule, drupe, berry
Seeds generally many, sometimes winged
Genera in family: ± 100 genera, 3000 species: generally worldwide except deserts; some cultivated, especially Arbutus, Arctostaphylos, Rhododendron, Vaccinium
Reference: [Wallace 1975 Wasmann J Biol 33:188; 1975 Bot Not 128:286298]
Subfamilies Monotropoideae, Pyroloideae, Vaccinioideae sometimes treated as families. Nongreen plants obtain nutrition from green plants through fungal intermediates.
Shrub, small tree, generally hairy to glandular, densely, rigidly branched, burled
Stem: bark often shredding
Leaves alternate, evergreen, leathery, entire or serrate
Inflorescence: raceme or panicle, bracted; bractlets 2
Flower: sepals (4)5, fused, lobes > tube; petals (4)5, fused, urn-shaped; stamens (8)10, anthers dehiscent by short separate slits, awned; ovary superior, chambers 46, placentas pendent, axile
Fruit: drupe, juicy, papillate, red or black; stones 46, fused into a unit
Seeds 1 per stone
Species in genus: 10 species: subtropical, tropical Am
Etymology: (Greek: arbutus cluster, from strawberry-tree-like fruits)
Native |
Stem erect, < 5 m; twigs gray-tomentose; bark shredding
Leaf obovate, entire or serrate
Inflorescence: raceme, generally gray-tomentose; bracts < 710 mm, lance-linear to oblong-ovate
Flower: sepals lanceolate or narrowly triangular
Fruit red
Ecology: Chaparral
Elevation: 100550 m.
Bioregional distribution: South Coast, Channel Islands, Western Transverse Ranges, Peninsular Ranges
Distribution outside California: to n Baja California