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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual to perennial herb [tree]. Leaf: generally cauline, generally simple, generally alternate, petioled or not; stipules 0. Inflorescence: cyme, panicle, raceme, spike, or flowers 1; terminal or in axils of leaf-like or reduced bracts. Flower: bisexual, cleistogamous or open, radial or bilateral, inverted (pedicel twisted 180°) or not; hypanthium generally present, ± fused to ovary; sepals generally 5; corolla radial to 2-lipped, petals generally fused, tube deeply divided on 1 side or not, lobes generally 5; stamens 5, free or ± fused (anthers, filaments fused into tube or filaments fused above middle); ovary inferior or 1/2 inferior (superior in fruit), chambers 1–3, placentas axile or parietal, ovules many, style generally 1, 2–5-branched. Fruit: generally capsule, open on sides or top by pores or short valves. Seed: many.
± 90 genera, ± 2500 species: worldwide. [Haberle et al. 2008 J Molec Evol 66:350–361] Some cultivated for ornamental (Campanula, Jasione, Lobelia). Subfamilies sometimes treated as families. Positions of flower parts given after flowering inversion, if any. Parishella moved to Nemacladus. —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Lammers 2007 World Checklist and Bibliography of Campanulaceae. Royal Botanic Gardens, Kew.]
Key to Campanulaceae
Annual, glabrous. Stem: decumbent to erect, (10)20–40 cm. Leaf: cauline, often deciduous before flower, 0.5–2(4) mm wide, lanceolate to awl-like (uppermost wider or not), sessile, generally entire. Inflorescence: spike; terminal flowers often aborted, overtopped by fertile; pedicels 0. Flower: bilateral, generally inverted at full bloom by twisted ovary; corolla generally >> calyx, blue to pink or white, generally with a symmetric white or yellow spot on lower lip, tube entire, limb strongly 2-lipped, upper lip lobes 2, lower lip generally with 2 low ridges, these often with 2 knob-like projections near throat, lobes 3, > upper, generally obovate, obtuse-mucronate; stamens fused (filaments, anthers in tubes), generally 2 smallest anthers each with terminal tuft of bristles, 1 bristle triangular or horn-like, generally 0.2–0.5 mm, others linear, shorter; ovary inferior, long, narrow, ± pedicel-like, chambers 1–2, placentas parietal or axile. Fruit: dehiscent on sides by 3–5 sometimes translucent slits, tardily so or not.Key to Downingia
15 species: western North America, Chile. (A.J. Downing, American horticulturist, 1815–1852) [Schultheis 2001 Syst Bot 26:603–621] Flower part positions ("upper" is adaxial; "lower" is abaxial) given at full bloom. Corolla measurements are from base of tube to tip of longest lobe, color including albino for ± all species. Based on geography, interfertility, cytology, and sequences of nuclear as well as chloroplast DNA, Downingia yina Applegate (as recognized in TJM (1993)) split here into 3 morphologically indistinguishable species whose limits need further study, only 2 of which are documented for California: Downingia pulcherrima, Downingia willamettensis.
Unabridged references: [McVaugh 1941 Mem Torrey Bot Club 19:1–57; Weiler 1962 Ph.D. Dissertation, Univ of California, Berkeley; Schultheis 2001 Syst Bot 26:603–621]
Unabridged note: Flower part positions ("upper" is next to stem; "lower" is away from stem) given at full bloom. Corolla measurements are from base of tube to tip of longest lobe, color including albino for ± all species. Based on geography, interfertility, cytology, and sequences of nuclear as well as chloroplast DNA, Downingia yina (as recognized in TJM (1993)) split here into 3 morphologically indistinguishable species whose limits need further study: Downingia yina (as now circumscribed, not in California, although possibly in – yet not documented for – northern Cascade Range), Downingia pulcherrima, and Downingia willamettensis. The present treatment comes after Downingia pulcherrima and Downingia willamettensis had been united under Downingia willamettensis, and that taxon in turn had been transferred to Downingia yina, as Downingia yina var. major (leaving the remainder of that sp. under Downingia yina var. yina).
Flower: corolla (7)8–13 mm, lateral sinuses ± = upper, sinus between 2 upper lobes with a backward-projecting horn, lower lip lavender-blue with central white area including 2 yellow and 2–4 purple spots near throat; anthers < 45° to filaments; ovary minutely spiny- to papillate-scabrous, 2-chambered, placentas axile. Fruit: 25–65 mm, not easily ruptured even when dry, lateral walls tough, lines not translucent. Seed: with longitudinal lines.
n=12. The 2 varieties occasionally in same population. [Online Interchange]
Flower: upper corolla lobes glabrous or sparsely hairy adaxially near tips, tips curled outward, backward into a ring or strongly recurved.
Vernal pools, roadside ditches; < ± 150 m. n Sierra Nevada Foothills, Sacramento Valley, n San Joaquin Valley. Apr–May [Online Interchange]
Previous taxon: Downingia ornatissima var. eximia
Next taxon: Downingia pulchella
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 20 2014
Citation for this treatment: [Author of taxon treatment] 2012. Downingia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=57817, accessed on Apr 20 2014
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