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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, from taproot. Stem: prostrate, decumbent, or erect; base generally ± brown or ± purple; branches 0 or below middle. Leaf: basal; petiole short or 0. Inflorescence: ± raceme-like; bract 1 per flower, small; pedicel generally thread-like. Flower: inverted or not; sepals linear to triangular; corolla ± radial or 2-lipped, lobes 5; filaments free at base, fused into tube around style distally, appendages attached to a stalk or directly on 2 adjacent filaments, each with 2–12 cells, anthers free, all alike; ovary superior to 1/2 inferior, hemispheric to obconic, nectary glands 3, mounded or donut-like, on free part of ovary, stigma 2-lobed, papillate. Fruit: generally > hypanthium, hemispheric to fusiform, top pointed or rounded, chambers 2; open at top generally by 2 valves (or circumscissile). Seed: elliptic to oblong.Key to Nemacladus
18 species: southwestern United States, northwestern Mexico. (Greek: thread-like branch) [Morin 2008 J Bot Res Inst Texas 2:397–400] In descriptions, "filaments" including both free and fused parts thereof.
Unabridged references: [McVaugh 1942 N Amer Flora 32A:1–134]
Unabridged note: Taxonomic changes from TJM (1993) based on ITS, atpB, morphology. Parishella californica nested within Nemacladus, in which it is here treated.
Erect, 7–25 cm, 1st branches generally 3–6 cm above base. Stem: stiffly ascending. Leaf: 10–20 mm, oblanceolate to elliptic, irregularly serrate, glabrous, sessile or abruptly narrowed to petiole. Inflorescence: axis strongly zigzag; bracts 1–3 mm, linear to lanceolate, appressed, enfolding pedicel base or not; pedicels 7–13 mm, 0.1–0.2 mm diam, ascending, straight, tip curved. Flower: not inverted; hypanthium 0.5 mm; sepals ± 2 mm, narrowly triangular, erect; corolla conspicuously 2-lipped, divided ± to base, white, 3 adaxial lobes erect, 2.5 mm, with yellow spot at base, 2 maroon arches above, glabrous, 2 abaxial spreading, 3 mm; filaments declined, ± 2 mm, tip ± curved, glabrous, appendages attached to ± 0.4 mm stalk, wide, blunt, anthers 0.4–0.8 mm; ovary 1/2-inferior. Fruit: 2–2.5 mm, base, tip acute. Seed: ± 0.5 mm, elliptic, with clearly pitted rows.
Dry, gravelly slopes, yellow-pine forest; 150–2700 m. n&c Sierra Nevada Foothills, High Sierra Nevada, Tehachapi Mountain Area, San Joaquin Valley, San Bernardino Mountains. May–Jul [Online Interchange]
Previous taxon: Nemacladus gracilis
Next taxon: Nemacladus longiflorus
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 11 2014
Citation for this treatment: [Author of taxon treatment] 2012. Nemacladus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=34506, accessed on Mar 11 2014
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© 2012 Aaron Arthur
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