TREATMENT FROM THE JEPSON MANUAL (1993) |
previous taxon |
next taxon
Jepson Interchange (more information) |
|
©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
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 12 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.
Annual, perennial herb
Stem erect or prostrate
Leaves opposite
Inflorescence: raceme, terminal or axillary, or flowers solitary in axils; bracts small, alternate
Flower: sepals generally 4(5), ± free, generally unequal; corolla ± rotate, 4-lobed, upper lobe wide (formed by fusion of upper pair), blue or violet to white; stamens 2, exserted; stigma head-like
Fruit: capsule, flattened perpendicular to septum, generally obcordate, loculicidal and septicidal
Species in genus: ± 250 species: n temp, especially Eurasia
Etymology: (Possibly named for Saint Veronica)
Introduced |
Perennial, rhizomed, ± hairy
Stem decumbent to ascending, rooting at lower nodes, 740 cm
Leaf 1030 mm, ovate, crenate, obtuse, sessile (except lower ± short-petioled)
Inflorescences axillary, opposite (lower often ± alternate); bracts 37 mm; pedicels 67 mm
Flower: sepals 46 mm, ± equal, linear to lanceolate; corolla ± 10 mm, bright blue, center white; style 45 mm
Fruit < calyx, wider than long, obcordate, ciliate
Chromosomes: 2n=16,32
Ecology: Lawns
Elevation: < 100 m.
Bioregional distribution: San Francisco Bay Area
Distribution outside California: native to Europe