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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.



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).


Perennial, generally mat-like
Stem: central generally stolon-like; branches decumbent to erect, glabrous or ± strigose
Leaves opposite or clustered, strigose to appressed-hairy; hairs forked
Inflorescence: spike, ± spheric, becoming cylindric in fruit, dense; bracts ovate to wedge-shaped
Flower: calyx ± compressed, 2–4-toothed; corolla ± 2-lipped, tube generally > calyx; stamens 4, in unequal pairs; ovary 2-chambered, ovules 2, style lobes 2, stigma lateral
Fruit: nutlets 2
Species in genus: ± 15 species: warm temp, subtropical Am
Etymology: (Greek: clan or tribe, from clustered flowers)
Horticultural information: IRR or WET: 7, 8, 9, 10, 11, 12, 13, 14, 18, 19, 21, 22, 23 &SUN: 4, 5, 6, 15, 16, 17, 24 ; turf-like GRCVR; flowers attract bees.


P. nodiflora (L.) Greene

Stem: internodes generally < 4 cm; branches generally < 15 cm
Leaf: blade 5–30 mm, ± ovate to wedge-shaped; margin generally serrate from above middle; teeth 5–11
Inflorescence 6–10 mm; peduncle 1.5–9 cm
Flower: corolla white to reddish
Chromosomes: 2n=36
Ecology: Generally wet places
Elevation: < 400 m.
Bioregional distribution: Northwestern California (except Klamath Ranges, High North Coast Ranges), Great Central Valley, Central Coast, San Francisco Bay Area, South Coast, Channel Islands (Santa Cruz, Santa Catalina islands), Peninsular Ranges, Sonoran Desert
Distribution outside California: warm temperate, tropical ± worldwide


var. incisa (Small) Moldenke

Leaf generally 4–5 X longer than wide; blade narrowly wedge-shaped
Ecology: Wet places, pond margins, ditches
Elevation: < 400 m.
Bioregional distribution: San Joaquin Valley, South Coast, Sonoran Desert
Distribution outside California: to c US, n Mexico
Flowering time: Jul–Nov
Synonyms: Lippia i. (Small) Tidestrom

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bioregional map for PHYLA%20nodiflora%20var.%20incisa being generated

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