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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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

LENTIBULARIACEAE

BLADDERWORT FAMILY

Lawrence R. Heckard

Annual, perennial herb, carnivorous, of moist or aquatic habitats
Stem a caudex (Pinguicula ) or filamentous with alternate or whorled branch systems in place of leaves (Utricularia )
Leaves 0 or in basal rosette, simple
Inflorescence: raceme, spike, 1-flowered or scapose
Flower bisexual; calyx 2-lipped, generally 4–5-lobed; corolla 2-lipped, 5-lobed, spurred at base, lower lip arched and generally pouched upward, blocking throat; fertile stamens 2, epipetalous; ovary superior, chamber 1, placenta generally free-central; stigma unequally 2-lobed, ± sessile
Fruit: capsule, round, generally 2-valved (sometimes irregularly dehiscent)
Seeds generally many, small
Genera in family: 4 genera, 200 species: worldwide, especially tropical.

PINGUICULA

BUTTERWORT

Perennial of moist ground
Leaves simple, in basal rosette, fleshy; margins entire, incurving over trapped prey; upper surface sticky or slimy, with stalked glands that capture small organisms, sessile glands that digest them
Inflorescence 1-flowered; bracts 0
Flower: calyx 5-lobed, upper lip 3-lobed; corolla lower lip generally not blocking throat
Fruit 2-valved
Species in genus: ± 50 species: Am, Eur, Medit
Etymology: (Latin: somewhat fat, from greasy leaf surface)
Reference: [Casper 1966 Biblioth Bot 127/128:1–209]

Native

P. vulgaris L. subsp. macroceras (Link) Calder & Roy L. Taylor

HORNED BUTTERWORT


Inflorescences 1–5 per rosette, 1–2 dm
Leaf 2–5 cm, narrowly oblong to ovate
Flower: corolla (including spur) 2–3 cm, blue-violet (rarely white); lobes of lower lip obovate, margins overlapping, throat hairy, spur 6–9 mm
Ecology: Moist serpentine banks
Elevation: < 500 m.
Bioregional distribution: n Klamath Ranges (n Del Norte, w Siskiyou cos.)
Distribution outside California: sw Oregon
Synonyms: P. macroceras Link
Not always distinct from mostly circumboreal subsp. v., which has
Chromosomes: 2n=64. A subalpine, nonserpentine race is found from e OR to AK, w Can, Japan
Horticultural information: In cultivation.
See the CNPS Inventory for information about endangerment and rarity.
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bioregional map for PINGUICULA%20vulgaris%20subsp.%20macroceras being generated
 


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