TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
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©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, perennial herb
Stem decumbent to erect, < 2 m
Leaves simple, cauline (sometimes also basal), opposite or whorled, entire, sessile or basal ± petioled; stipules 0
Flower bisexual, radial, parts in 4's or 5's, except pistil 1; sepals fused, persistent; petals fused, persistent or deciduous, corolla generally without fringes or scales on inner surface, sinuses between lobes generally unappendaged; stamens epipetalous, alternate corolla lobes; ovary superior, chamber 1, placentas parietal, often intruding
Fruit: capsule, 2-valved
Seeds many
Genera in family: ± 80 genera, 900 species: worldwide; some cultivated (Eustoma , Exacum , Gentiana )
Reference: [Wood & Weaver 1982 J Arnold Arbor 63:441487]
Annual, perennial herb, generally glabrous
Stem generally simple below inflorescence
Leaves cauline, opposite (sometimes also basal)
Inflorescence: compact cyme or flowers solitary
Flower parts in 4's or 5's; calyx tube obvious; corolla tube narrowly bell-shaped, lobes spreading, < tube, scales 0, sinuses between lobes ± truncate, unappendaged or generally with a variously shaped, sometimes fringed appendage, nectary pits 0 (nectaries on ovary stalk); ovary stalked, style short or indistinct, stigma 2-branched
Species in genus: ± 300 species: temp to subarctic and alpine Am, Eurasia
Etymology: (Gentius, king of ancient Illyria, who might have found medicinal value in the plants)
Native |
Perennial
Stems from caudex, decumbent to erect, severalmany, 570 cm, puberulent
Leaves: basal ± 0; cauline many, 1045 mm, 420 mm wide, minutely ciliate, lower < internodes, elliptic to ovate, upper > internodes, ovate to lanceolate, ± acute
Inflorescences terminal and generally also at 16 upper nodes; flowers 1several per inflorescence
Flower: calyx 523 mm, lobes linear to narrowly elliptic (sometimes some vestigial), generally < 1.5 mm wide, acute, minutely ciliate; corolla (12)2545 mm, blue, rarely white, lobes generally < 7 mm, oblong-ovate, abruptly pointed, sinus appendages divided ± to base into 2 triangular parts, each thread-like only toward tip
Seed winged
Chromosomes: 2n=26
Ecology: Meadows, shrubby places
Elevation: 02300 m.
Bioregional distribution: North Coast, Klamath Ranges, High Cascade Range, Central Coast, San Francisco Bay Area, Warner Mountains
Distribution outside California: to Oregon
Synonyms: G. oregana A. Gray, at least as applied to CA plants
Var. parvidentata Kusn. may be applied to plants with some or all calyx lobes small or vestigial; some plants in n CA approach var. affinis of Rocky Mtns
Horticultural information: IRR: 1, 2, 4, 5, 6, 16, 17 &SHD: 14, 15; DFCLT.