Jepson Flora Project: Jepson Interchange    

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


Stem 10–25(50) m, straight; bark persistent toward base, otherwise generally shed in irregular sheets or flakes; trunk ± smooth, often mottled, gray or bluish gray
Leaf 8–20 cm, 1–2.5 cm wide, narrowly lanceolate, often sickle-shaped
Inflorescence: umbel, 5–15-flowered, stalked
Flower: hypanthium 2–3 mm, deltate, ± 1/3 X bud cap; bud cap generally conic-acuminate, smooth; stamens white
Fruit 7–9 mm, hemispheric; valves exserted
Ecology: Uncommon. Disturbed coastal, urban areas
Elevation: < 200 m.
Bioregional distribution: San Joaquin Valley, South Coast, Western Transverse Ranges
Distribution outside California: native to e Australia
Commonly cultivated in CA.

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bioregional map for EUCALYPTUS%20tereticornis being generated
YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps).

Retrieve Jepson Interchange Index to Plant Names entry for Eucalyptus tereticornis
Retrieve dichotomous key for Eucalyptus
Overlay Consortium of California Herbaria specimen data by county on this map
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