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THYMELAEACEAE

MEZEREUM FAMILY

Robert J. Berman

Shrubs, trees
Stem extremely pliable; bark smooth, leather-like
Leaves simple, alternate or opposite; stipules 0; blade entire
Inflorescence: cluster, raceme, umbel, or flower solitary
Flower bisexual; calyx corolla-like, shallowly 4-lobed; corolla 0 or inconspicuous; stamens 4 and alternate calyx lobes or 8, inserted on calyx; disk-like nectary often present; pistil 1, ovary superior, chamber 1, ovule 1
Fruit: drupe or nut
Genera in family: 50 genera, 500 species: worldwide, especially Australia, tropical Africa. Some cultivated (Daphne ).

DIRCA

LEATHERWOOD

Shrub
Stem < 3 m; bark smooth, dark brown
Leaves deciduous
Inflorescence appearing before leaves, axillary and terminal clusters; flowers 2–3, pendent
Flower: calyx yellow; stamens 8, well exserted; style slender, > stamens
Fruit: drupe
Species in genus: 2 species: CA, e North America
Etymology: (Greek: a fountain in Thebes)

Native

D. occidentalis A. Gray

WESTERN LEATHERWOOD


Leaf: petiole 3–5 mm; blade 3–7 cm, broadly elliptic to obovate
Fruit 8–10 mm, broadly elliptic to oblong in outline, green to light brown, infrequently produced
Ecology: UNCOMMON. Moist slopes in partial shade
Elevation: 50–300 m.
Bioregional distribution: San Francisco Bay Area
Horticultural information: DRN, SHD: 17 &IRR: 14, 15, 16, 23, 24; DFCLT.

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