Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Elizabeth McClintock

Tree, shrub, evergreen
Leaves simple, opposite or alternate, entire, often gland-dotted
Inflorescence: umbel, panicle of umbels, or flowers 1–3 in axils
Flower generally bisexual, radial; hypanthium cylindric, deltate, ± cup-shaped, or urn-shaped; sepals, petals generally 4–5, free or sometimes fused together to form a deciduous bud cap; stamens generally many, ± showy, borne near top of hypanthium, free or in 4–5 clusters; ovary generally inferior, chambers 1–many, style 1
Fruit: generally berry or capsule
Seeds generally many, small
Genera in family: ± 100 genera, 3000 species: tropical, subtropical, especially s hemisphere; economically important for timber (Eucalyptus ), spices (Syzygium aromaticum , cloves; Pimenta dioica , allspice), edible fruits (Psidium guajava , guava; Feijoa sellowiana , pineapple guava), many ornamental
Reference: [Wilson 1960 J Arnold Arbor 41:270–278]



Tree, shrub
Stem generally erect; bark persistent toward base or not, rough, otherwise generally shed, leaving trunk smooth; twigs generally round
Leaves: juvenile opposite, often sessile, sometimes glaucous; adult alternate, petioled, generally narrower, > juvenile
Inflorescence: umbel or panicle of umbels, 3–many-flowered; flowers rarely solitary in axils
Flower: sepals, petals 4–5, fused into a deciduous, generally smooth bud cap; stamens generally white, yellow, pink, or red; ovary chambers 2–7, style < stamens
Fruit: capsule, woody, flat, opening at top
Species in genus: ± 500 species: Australia
Etymology: (Greek: well covered, from deciduous flower bud cap)
Reference: [Chippendale 1988 Fl Australia 19]
Many species cultivated in CA.


E. cladocalyx F. Muell.


Stem 10–20 m, generally straight, graceful; bark shed in large irregular patches; trunk ± smooth, white, often mottled gray or tan
Leaf 8–15 cm, 2–3 cm wide, ± widely lanceolate
Inflorescence: umbel, generally 4–16-flowered, stalked, becoming panicle-like
Flower: hypanthium < 1 cm, cylindric or urn-shaped, 3–4 X bud cap; bud cap cylindric to urn-shaped, abruptly pointed; stamens white
Fruit 1–1.5 cm, ± urn-shaped, ribbed; valves included
Ecology: Uncommon. Disturbed coastal, urban areas
Elevation: 200 m.
Bioregional distribution: South Coast
Distribution outside California: native to s Australia
Synonyms: E. corynocalyx F. Muell
Sometimes cultivated in CA. TOXIC to livestock in Australia.

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