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]


Shrub, small tree
Stem erect to spreading, twisted; bark shed in long strips
Leaves alternate; veins 0–3
Inflorescence: flowers 1–3 in axils
Flower: hypanthium generally widely cup-shaped; sepals, petals 5, free; petals white, pink, or red; stamens many; ovary chambers generally 5–many, style = or < stamens
Fruit: capsule, woody, flat, opening at top
Seeds many, small
Species in genus: ± 70 species: especially Australia, few New Zealand, Malay Archipelago
Etymology: (Greek: slender seed)


L. laevigatum (Gaertn.) F. Muell.

Plant glabrous, glaucous
Stem spreading, < 6 m; trunk ± smooth
Leaf 10–15 mm, obovate-oblong; veins 3, inconspicuous; tip blunt or with short, central point
Inflorescence: flowers often solitary in axils; pedicel short
Flower 1.5–2 cm wide; petals spreading, white; stamens generally 20–30
Fruit 7–8 mm; valves 8–10
Ecology: Uncommon. Disturbed coastal areas
Elevation: < 100 m.
Bioregional distribution: Central Coast
Distribution outside California: native to se Australia
Commonly cultivated along coast in CA, sometimes for stabilization of moving sand.

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bioregional map for LEPTOSPERMUM%20laevigatum 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 Leptospermum laevigatum
Retrieve dichotomous key for Leptospermum
Overlay Consortium of California Herbaria specimen data by county on this map
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