Jepson Flora Project: Jepson Interchange    

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

CAMPANULACEAE

BELLFLOWER FAMILY

Nancy Morin, except as specified

Annual to tree
Leaves generally cauline, generally simple, generally alternate, petioled or not; stipules 0
Inflorescence: panicle, raceme, spike, or flowers solitary in axils, generally open; bracts leaf-like or not
Flower: bisexual, radial or bilateral, sometimes inverted (pedicel twisted 180°; hypanthium generally present, ± fused to ovary; sepals generally 5; corolla radial to 2-lipped, generally fused (tube sometimes split down back), lobes generally 5; stamens 5, free or ± fused (anthers and filaments fused into tube or filaments fused above middle); ovary inferior, sometimes half inferior, chambers 1–3, placentas axile or parietal, ovules many, style generally 1, 2–5-branched
Fruit: generally capsule, dehiscing on sides or at tip by pores or short valves
Seeds many
Genera in family: ± 70 genera, ± 2000 species: worldwide. Some cultivated for ornamental (Campanula, Jasione, Lobelia ). Subfamilies sometimes treated as different families.

PORTERELLA


Species in genus: 1 sp
Etymology: (Thomas C. Porter, botanist, 1822–1901)

Native

P. carnosula (Hook. & Arn.) Torr.

Annual 2–30 cm, emergent or terrestrial, glabrous
Stem erect, branched from base or not
Leaves cauline, sessile; blade (5)12–15 mm, (1)3–5 mm wide, narrowly ovate (aerial) to narrowly triangular (submersed), entire, sometimes few-toothed
Inflorescence: raceme; bract 1 per flower, leaf-like, ascending; pedicels in fruit 1–3 cm
Flower inverted, fragrant; hypanthium 1–2.5 mm; sepals = or > fruit, narrowly triangular; corolla tube 4–5 mm, linear, blue, throat with 2 folds, yellow, limb 2-lipped, upper lip 2-lobed, lobes 1–2 mm, narrowly triangular, erect, deep blue, lower lip 3-lobed, lobes 3–8 mm, ± round, spreading, blue, base yellow or white; stamens fused, anthers ± 2 mm, 2 short anthers appendaged, horn-like appendage ± 0.5 mm, comb-like appendage 4-pronged; ovary 2-chambered, stigma cup- or plate-like, papillate
Fruit 5–10 mm, hemispheric to cylindric; tip conic, dehiscing by valves
Seed 1 mm, smooth, fine striate
Chromosomes: n=12
Ecology: Moist, grassy roadsides, lake and pond edges
Elevation: 1500–3100 m.
Bioregional distribution: High Cascade Range, n High Sierra Nevada, Great Basin Floristic Province
Distribution outside California: to Wyoming, Arizona
Flowering time: Jun–Aug
Horticultural information: TRY.

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