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    THIS PAGE IS NO LONGER UPDATED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.

SCROPHULARIACEAE

FIGWORT FAMILY

Lawrence R. Heckard, Family Coordinator

Annual to shrubs, generally glandular, some green root-parasites
Stem generally round
Leaves generally alternate, simple, generally ± entire; stipules generally 0
Inflorescence: spike to panicle, generally bracted, or flowers 1–2 in axils
Flower bisexual; calyx lobes generally 5; corolla generally strongly bilateral, generally 2-lipped (upper lip generally 2-lobed, lower lip generally 3-lobed); stamens generally 4 in 2 pairs, generally included, a 5th (generally uppermost) sometimes present as a staminode; pistil 1, ovary superior, chambers generally 2, placentas axile, style 1, stigma lobes generally 2
Fruit: capsule, generally ± ovoid, loculicidal or septicidal
Seed: coat sculpture often characteristic
Genera in family: ± 200 genera, 3000 species: ± worldwide; some cultivated as ornamental (e.g., Antirrhinum, Mimulus, Penstemon ) or medicinal (Digitalis )
Recent taxonomic note: Recently treated to include only Buddleja, Scrophularia, and Verbascum in CA; other genera moved to Orobanchaceae (Castilleja, Cordylanthus, Orthocarpus, Pedicularis, Triphysaria), Phrymaceae (Mimulus), and Plantaginaceae (= Veronicaceae sensu Olmstead et al.)
Key to genera by Elizabeth Chase Neese & Margriet Wetherwax.

LIMOSELLA

MUDWORT

Margriet Wetherwax

Annual, sometimes partly submersed, with stolons
Leaves basal, erect; stipules generally present
Inflorescence scapose; flower 1
Flower: calyx bell-shaped, lobes 5, ovate, acute; corolla radial, bell-shaped, lobes 5, upper surfaces sparsely papillate; stamens 4; style generally subterminal, stigmas generally fused, head-like
Fruit elliptic to spheric, chambers 2 below, 1 above
Seeds many, minute
Species in genus: ± 15 species: worldwide
Etymology: (Latin: mud seat, from habitat)

Native

L. aquatica L.

Tufted
Leaf: petiole 3–10(30) cm, generally clearly differentiated from blade; blade 5–30 mm, flat, spoon-shaped to ovate; stipules 0 or sheathing leaf base, transparent
Inflorescence: pedicels << petioles, spreading in fruit
Flower: calyx lobes 2 X tube; corolla ± 2 mm, white to pinkish, outside sometimes blue, lobes acute; stamens attached at different levels; style 0.2–0.4 mm, stout, ± curved, stigma slightly 2-lobed
Fruit 3–5 mm, elliptic to spheric
Chromosomes: 2n=40
Ecology: Wet, muddy, periodically flooded places
Elevation: < 3200 m.
Bioregional distribution: Cascade Range, High Sierra Nevada, Central Coast, San Francisco Bay Area, San Bernardino Mountains, Modoc Plateau
Distribution outside California: to Alaska, e N.America, Eurasia
Horticultural information: TRY.

previous taxon | next taxon
bioregional map for LIMOSELLA%20aquatica being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Limosella aquatica
Retrieve dichotomous key for Limosella
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