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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Dieter H. Wilken

Annual to tree, generally hairy
Leaves cauline, opposite, generally toothed; stipules 0
Inflorescence: raceme, spike, or head, generally elongated in fruit; bract generally 1 per flower
Flower bisexual; calyx generally 4–5-toothed; corolla 4–5-lobed, radial to bilateral, salverform to 2-lipped; stamens 4–5, epipetalous (if 4, generally in unequal pairs); ovary superior, 2- or 4-lobed, generally 2-chambered, style 1, often with 2 unequal lobes, only 1 stigmatic, lateral
Fruit: 2 or 4 nutlets, drupe-like, or capsule
Genera in family: ± 90 genera, ± 1900 species: especially Am tropical. Some cultivated (Clerodendron , Lantana , Verbena , Vitex ); some weedy worldwide (Lantana ); some used for wood (Tectona , teak).



Shrub, tree; roots branches spreading, exposed at low tide
Leaves persistent, petioled; blade thick, entire
Inflorescence head-like, clusters terminal; bractlets 3, generally < calyx, outer 1 > inner 2
Flower: sepals 5, fused at base; corolla 4-lobed, radial, rotate; stamens 4, attached at 1 level; ovary generally 1-chambered, ovules generally 4 per chamber, style not lobed, stigma ± spheric, terminal
Fruit: capsule, 2-valved
Species in genus: ± 15 species: temp, subtropical worldwide, generally coastal marshes, lagoons
Etymology: (Avicenna, Persian physician and philosopher, 980–1037)


A. marina (Forssk.) Vierh. var. resinifera (G. Forst.) Bakh.

Shrub < 2.5 m
Stem: trunk < 10 cm
Leaf 4–11 cm, elliptic to ovate, leathery; upper surface ± shiny, lower felt-like
Inflorescence: clusters generally 3 per branch; flowers 4–9 per cluster; peduncles 2–4 cm; bractlets ± ovate
Flower: perianth lobes ± ovate, leathery, puberulent outside
Fruit ± 2 cm diam, ovoid
Ecology: Coastal salt marsh
Elevation: ± 0 m.
Bioregional distribution: South Coast (Mission Bay, San Diego Co.)
Distribution outside California: native to New Zealand, Australasia
First planted in 1960's, becoming weedy, extirpation attempted, but plants persistent in 1990
Reference: [Moran 1980 Madroño 27:143]

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bioregional map for AVICENNIA%20marina%20var.%20resinifera 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 Avicennia marina var. resinifera
Retrieve dichotomous key for Avicennia
Overlay Consortium of California Herbaria specimen data by county on this map
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