Common Name: MORNING-GLORY FAMILY Habit: Annual, perennial herb, subshrub, generally twining or trailing. Leaf: 0 or alternate. Inflorescence: cyme or flowers 1 in axils; bracts subtending flowers 0 or 2. Flower: bisexual, radial; sepals (4)5, +- free, overlapping, persistent, often unequal; corolla generally showy, generally bell-shaped, +- shallowly 5-lobed, generally pleated and twisted in bud; stamens 5, epipetalous; pistil 1, ovary superior, chambers generally 2, each generally 2-ovuled, styles 1--2. Fruit: generally capsule. Seed: 1--4(6). Genera In Family: 55--60 genera, 1600--1700 species: warm temperate to tropics; some cultivated for food or as ornamental (Ipomoea). Note: Monophyletic only if Cuscutaceae included, as treated here. Ipomoea cairica (L.) Sweet, Ipomoea hederacea Jacq. [Ipomoea nil L., misappl.], Ipomoea indica (Burm.) Merr. (including Ipomoea mutabilis Ker Gawl.), Ipomoea purpurea (L.) Roth, Ipomoea triloba L., all included in TJM (1993), not naturalized. eFlora Treatment Author: Robert E. Preston, except as noted Scientific Editor: Thomas J. Rosatti.
Common Name: DODDER Habit: Vine, annual (perennial herb if on perennial host), not in contact with ground, attached to, holoparasitic on host by many small, specialized roots (haustoria) along stem, generally glabrous. Stem: thread-like, +- green, yellow, orange, or +- red. Leaf: 0 or scale-like, alternate, +- 2 mm. Inflorescence: generally cyme, head- to panicle-like (flowers 1), subtended by 0--3 bracts. Flower: bisexual, radial, parts generally in 4s or 5s; calyx generally divided 2/5--3/5, persistent, generally +- cream-white; corolla generally +- white, persistent (withered in fruit) or not, tube cup-shaped to cylindric, bulged or horizontally ridged below lobes or generally not, generally with scales subtending stamens, lobes alternate stamens, erect to reflexed; ovary superior, chambers 2, each 2-ovuled, styles 2, generally free, persistent, stigmas 2, generally spheric, persistent. Fruit: capsule, generally indehiscent to irregularly dehiscent (or circumscissile near base), spheric to ovoid, depressed or not, thickened and/or raised around generally inconspicuous opening between styles or not. Seed: 1--4; coat papillate when hydrated, honeycombed when dry, (rarely neither, with cells +- rectangular, in +- jigsaw-puzzle-like arrangement); embryo generally slender, 1--3-coiled. Etymology: (Aramaic, Hebrew; from the verb K-S-Y (Kaph, Shin, Yodh), to cover, from habit) Note: By persistent, withered corolla, fruit may be "capped" (corolla on top of fruit), "surrounded" (fruit at least in part visible, corolla +- loosely around fruit), or "enclosed" (fruit not visible, corolla +- tightly around fruit). Cuscuta pentagona Engelm. excluded. eFlora Treatment Author: Mihai Costea & Saša Stefanović Reference: Costea & Stefanovic 2009 Syst Bot 34:570--579 Unabridged Reference: Costea et al. 2005 Brittonia 57:264--272; Costea et al. 2006 Sida 22:151--175, 177--195, 197--207, 209--225; Costea & Stefanovic 2009. Cuscuta jepsonii (Convolvulaceae), an invasive weed or an extinct endemic? Amer J Bot 96:1744--1750; Costea et al. 2009. Untangling the systematics of salt marsh dodders: Cuscuta pacifica a new segregate species from Cuscuta salina (Convolvulaceae). Syst Bot 34:787--795; Costea & Stefanovic. 2009. Molecular phylogeny of Cuscuta californica complex (Convolvulaceae) and a new species from New Mexico and Trans-Pecos. Syst Bot 34:570--579; Costea & Tardif 2006 Canad J Pl Sci 86:293--316
Cuscuta indecora Choisy var. indecora
NATIVE Inflorescence: raceme- or panicle-like, flowers 5--40; pedicels 0.5--6 mm. Flower: 2--5.3 mm, fleshy, papillate, parts in 5s; calyx 1/2--3/4 corolla tube, cup-shaped, divided 1/3--2/3, not veined or shiny, lobes triangular-ovate to lanceolate, bases overlapped or not, margins entire, tip acute; corolla tube 1--3.2 mm, bell- or +- urn-shaped to +- spheric, scales reaching stamen bases, +- spoon-shaped, rounded, rarely truncate or 2--3(4) lobed, uniformly densely fringed, lobes +- erect, 1/3 to = tube, triangular-ovate, margins entire, tip acute, incurved; filaments 0.3--0.7 mm, anthers included to +- exserted, 0.3--0.5 mm, ovate-elliptic to oblong; styles 1--2.5 mm, generally = ovary. Fruit: 2--3.5 mm, 1.9--4(5) mm wide, spheric to subspheric, thickened, raised around opening between styles, translucent, surrounded or capped by corolla. Seed: 2--4, 1.4--1.9 mm, 1.25--1.6 mm wide, widely elliptic to oblique, shape varied on 1 plant . Chromosomes: 2n=30. Ecology: Common. On herbs, woody pls, often in moist fields, roadsides; Elevation: generally < 1500 m. Bioregional Distribution: NCo, NCoR, SN, GV, D; Distribution Outside California: to Canada, central and southeastern United States, Caribbean, Mexico, South America. Flowering Time: Jun--Nov Synonyms: Cuscuta hispidula Engelm.; Cuscuta indecora var. bifida Yunck.; Cuscuta indecora var. neuropetala (Engelm.) Hitchcock; Cuscuta neuropetala Engelm. Jepson eFlora Author: Mihai Costea & Saša Stefanović Reference: Costea & Stefanovic 2009 Syst Bot 34:570--579 Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Previous taxon: Cuscuta howelliana Next taxon: Cuscuta japonica var. formosana
Botanical illustration including Cuscuta indecora var. indecora
Citation for this treatment: Mihai Costea & Saša Stefanović 2012, Cuscuta indecora var. indecora, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=57197, accessed on March 28, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on March 28, 2024.
No expert verified images found for Cuscuta indecora var. indecora.
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