Jepson Flora Project: Jepson Interchange    

 
link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

    THIS PAGE IS NO LONGER UPDATED
    AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

VERBENACEAE

VERVAIN FAMILY

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).

VERBENA

Annual to shrub
Stems often 4-angled; hairs generally short, stiff
Leaves reduced upward; blade entire to pinnately lobed
Inflorescence: spikes, often in panicle-like clusters, generally terminal, generally very long in fruit
Flower: calyx 5-ribbed, 5-toothed, hairs generally strigose or appressed; corolla 4–5-lobed, ± radial to bilateral and 2-lipped; stamens 4, paired; ovary 4-chambered, ovules 4, style 1, lobes 2, 1 tooth-like, 1 with ± spheric stigma
Fruit: nutlets 4, generally oblong
Species in genus: ± 250 species: temp, tropical Am, Medit Eur
Etymology: (Latin: ancient name)
Reference: [Umber 1979 Syst Bot 4:72–102; Barber 1982 Syst Bot 7:433–456]

Native

V. lasiostachys Link

Perennial 35–80 cm
Stems 1–5+, decumbent to erect; hairs short, spreading
Leaf 4–10 cm, ± ovate, coarsely toothed, generally deeply 1–2-lobed near base, soft-hairy to scabrous; petiole < 2 cm, winged
Inflorescence: spikes 1–3 per stem, 7–25 cm, generally open below (fruits not overlapping); flower bract 3–4.5 mm
Flower: calyx 2.5–4 mm; corolla 2.5–5 mm, blue to purple
Fruit 1–2 mm
Ecology: Open, dry to wet places
Elevation: < 2500 m.
Bioregional distribution: California Floristic Province
Distribution outside California: Oregon, Baja California
Varieties need further study.

Native

var. scabrida Moldenke


Leaf: upper surface green, generally scabrous
Fruit: nutlet scar white-papillate at 20X magnification
Ecology: Habitats of sp.
Elevation: < 1500 m.
Bioregional distribution: s Northwestern California, s Sierra Nevada Foothills, Tehachapi Mountain Area, Central Western California, South Coast, Channel Islands (except San Clemente Island), Western Transverse Ranges, w Peninsular Ranges
Distribution outside California: Baja California
Synonyms: V. robusta Greene
Horticultural information: SUN: 15, 16, 17 &IRR: 7, 8, 9, 14, 18, 19, 20, 21, 22, 23, 24.

previous taxon | next taxon
bioregional map for VERBENA%20lasiostachys%20var.%20scabrida being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Verbena lasiostachys var. scabrida
Retrieve dichotomous key for Verbena
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page
Glossary


University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California