Physalis crassifolia |
Physalis |
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thick leaf ground cherry, yellow nightshade groundcherry |
ground-cherry |
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Habit | Herbs perennial, becoming suffrutescent, rhizomatous, rhizomes often just below soil surface, vertical, stout, puberulent, hairs divergent, to 0.5 mm, some glandular, appearing ± glabrous without magnification. | Herbs [shrubs], annual or perennial, taprooted or rhizomatous, glabrous or pubescent, hairs simple, forked, or dendroid-stelliform, sometimes multicellular and appearing jointed, glandular or eglandular. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Stems | erect, branching from near base and at most nodes, branches widely spreading, distinctly zigzag, slender, 1–4(–10) dm. |
erect to weakly decumbent, branching. |
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Leaves | petiolate; petiole mostly as long as blade; blade broadly ovate to deltate, 0.8–3.3(–4.5) × 0.8–3.3(–4.5) cm, base cordate, sometimes slightly unequal, margins entire to unevenly coarsely dentate, sometimes thick and slightly succulent. |
alternate, sometimes geminate, petiolate or sessile; blade simple, margins entire, dentate, or sinuate. |
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Inflorescences | axillary, solitary flowers [fascicles of 2–5]. |
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Pedicels | 8–24(–33) mm, (11–)14–30(–35) mm in fruit. |
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Flowers | calyx (3–)4–7(–8) mm, lobes 1–3 mm; corolla pale yellow with yellow or greenish-brown smudges or tinge, campanulate-rotate, 8–14 mm; anthers yellow, not twisted after dehiscence, 1.5–3 mm. |
5-merous, (pendent or nodding); calyx campanulate with 5 broadly to narrowly triangular lobes, accrescent and inflated in fruit, becoming reticulate-membranous and bladderlike with narrow orifice and completely enclosing berry; corolla yellow or pale cream-yellow to nearly white, often with 5 large spots or smudges or star-shaped tinge of color in throat, and mat of white hairs at base of throat, radial, rotate or campanulate-rotate, limb sometimes widely flaring or reflexed at maturity, 5-angulate or obscurely 5-lobed, (P. solanacea dark purple or rarely yellowish or greenish with large purple spots, urceolate, with 5 shallow teeth) [campanulate with open limb]; stamens inserted at base of corolla tube, equal; anthers basifixed, oblong to narrowly elliptic, dehiscing by longitudinal slits; ovary 2-carpellate; style straight, slender, sometimes expanding distally; stigma minutely capitate or truncate. |
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Fruiting calyces | loosely enclosing berry, 10-ribbed, 14–30(–40) × (10–)15–20(–25) mm. |
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Fruits | berries, globose, juicy [somewhat dry], completely enclosed by inflated fruiting calyx. |
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Seeds | reniform, flattened [oblique-triangular]. |
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x | = 12, 24. |
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2n | = 24. |
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Physalis crassifolia |
Physalis |
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Phenology | Flowering year-round in areas without frost, mostly Mar–Apr. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Habitat | Gravelly or sandy slopes, washes, roadsides, mesas, canyons. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Elevation | 100–1700 m. (300–5600 ft.) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Distribution |
AZ; CA; NV; UT; Mexico (Baja California, Baja California Sur, Chihuahua, Sinaloa, Sonora) [Introduced in Australia]
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North America; Mexico; Central America; South America; West Indies; Bermuda [Introduced in Asia, Africa, Pacific Islands, Australia] |
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Discussion | In Physalis crassifolia, the corolla limb is widely flaring and reflexed when the flower is fully open, and the flowers are more nodding than fully pendent. Some herbarium specimen labels indicate that plants flower the first year. Physalis greenei Vasey & Rose, not validly published, has been misapplied to some representatives of P. crassifolia. Physalis crassifolia is widespread in Arizona, but it is restricted in California to south-southeastern counties as far north as Inyo, in Nevada to Clark and Lincoln counties, and in Utah to Washington County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Species ca. 90 (24, including 1 hybrid, in the flora). Physalis is recognizable by the fruiting calyx that enlarges and inflates to completely enclose the berry, and pendent or nodding flowers borne singly at each node; most members also have an unlobed, yellow or cream-yellow, campanulate-rotate corolla. Physalis solanacea is atypical in having an urceolate corolla that is mostly or completely lurid purple; the molecular phylogenetic analysis by M. Whitson and P. S. Manos (2005) showed that it is part of a clade of more typical species. Their study also supported treatment of Calliphysalis and Alkekengi as genera distinct from Physalis. The variable morphology of Physalis species has resulted in many misidentified herbarium specimens. Hair morphology is important in identifying most taxa. Two species occur as waifs in the flora area: Physalis minima Linnaeus, native to the New World tropics, has been collected as a weed in sugarcane fields and sandy open pastures in Louisiana; and P. ixocarpa Brotero ex Hornemann [including var. parviflora (Waterfall) Kartesz & Gandhi and var. immaculata (Waterfall) Kartesz & Gandhi], native to Mexico, has been collected sporadically from disturbed sites in the United States and Canada. Several species of Physalis are commonly cultivated for their edible berries: P. philadelphica (tomatillo) has fruits with a flavor reminiscent of tomato and is used in Mexican-style salsa; P. minima (pygmy groundcherry) has fruits similar to a cherry tomato; and P. peruviana Linnaeus (cape gooseberry) and P. grisea (strawberry tomato) have sweet fruits that are used in pies, jams, sauces, and as a garnish. The berries of many wild-growing species are eaten as well. Fruits of P. minima and P. peruviana are also used worldwide as an antispasmodic, diuretic, antiseptic, sedative, and analgesic. Unripe fruits and foliage of Physalis species contain solanine and other solanidine alkaloids and are toxic if ingested in large quantities. After this manuscript was completed, Physalis macrosperma Pyne, E. L. Bridges & Orzell was published describing plants similar to P. heterophylla but with larger fruiting calyces and seeds. Further study is needed to clarify the disposition of this taxon. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 14. | FNA vol. 14. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Parent taxa | Solanaceae > Physalis | Solanaceae | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Synonyms | P. crassifolia var. cardiophylla, P. crassifolia var. versicolor, P. versicolor | Margaranthus | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Name authority | Bentham: Bot. Voy. Sulphur, 40. (1844) | Linnaeus: Sp. Pl. 1: 182. (1753): Gen. Pl. ed. 5, 85. (1754) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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