Jepson eFlora: Taxon page
Vascular Plants of California
Key to families | Table of families and genera
Previous taxon Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M |
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Next taxon


Solanum marginatum
WHITE-MARGINED NIGHTSHADE


Higher Taxonomy
Family: SolanaceaeView DescriptionDichotomous Key
Common Name: NIGHTSHADE FAMILY
Habit: Annual to shrub. Leaf: generally simple, generally alternate, generally petioled; stipules 0; blade entire to deeply lobed. Inflorescence: various. Flower: bisexual; calyx lobes generally 5; corolla +- radial, cylindric to rotate, lobes generally 5; stamens 5, on corolla tube, alternate lobes; ovary superior, generally 2-chambered, style 1. Fruit: berry, loculicidal or septicidal capsule, [(drupe)], 2--5-chambered.
Genera In Family: 75 genera, 3000 species: worldwide, especially +- tropics; many alien weeds in California; many cultivated for food, drugs, or ornamental (potato, tomato, peppers, tobacco, petunia). Toxicity: many TOXIC. Note: Nicandra physalodes (L.) Gaertn. is a waif.
eFlora Treatment Author: Michael H. Nee
Scientific Editor: Thomas J. Rosatti.
Genus: SolanumView DescriptionDichotomous Key


Common Name: NIGHTSHADE
Habit: Annual to shrub, vine or not, prickly or not, often glandular. Leaf: alternate to +- opposite, often unequal, entire to deeply pinnately lobed. Inflorescence: panicle or umbel-like, often 1-sided. Flower: calyx +- bell-shaped; corolla +- rotate, white to purple (yellow), lobes generally of different color toward base of midrib, generally without spots at base; anthers free, > filaments, oblong or tapered, opening by 2 pores or short slits near tip, in age often splitting to base; ovary 2-chambered, style 1, generally +- straight, stigma head-like. Fruit: berry, generally spheric, fleshy (or dry, capsule-like). Seed: many, compressed, generally reniform.
Etymology: (Latin: quieting, from narcotic properties) Toxicity: many TOXIC. Note: Many cultivated for food (including potato, Solanum tuberosum), ornamental; Solanum dimidiatum in California an urban weed. See Lycopersicon for other taxa recently included here.
Unabridged Reference: Nee, M. 1999. Synopsis of Solanum in the New World, pp. 285--333 in M. Nee, D.E. Symon, R.N. Lester & J.P. Jessop (eds.), Solanaceae IV, Advances in Biology and Utilization, Royal Botanic Gardens, Kew; Symon 1981 J Adelaide Bot Gard 4:1--367
Solanum marginatum L. f.
NATURALIZED
Habit: Shrub < 2 m, prickly, hairs dense, stellate. Leaf: 10--18 cm, widely ovate, wavy-lobed, abaxially densely white-tomentose. Inflorescence: raceme-like; lowermost flower bisexual, reflexed, others staminate. Flower: calyx +- 10 mm, prickly; corolla 15--30 mm wide, white; anthers 6--7 mm. Fruit: 35--50 mm, glabrous, tough, yellow. Seed: +- 3 mm. Chromosomes: n=12.
Ecology: Disturbed places; Elevation: generally < 1000 m. Bioregional Distribution: CCo, SCo; Distribution Outside California: native to Africa. Flowering Time: May--Aug
Jepson eFlora Author: Michael H. Nee
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Noxious Weed listed on the CDFA Weed Pest Ratings table
View the CDFA Pest Rating page for Solanum marginatum
Weed listed by Cal-IPC

Previous taxon: Solanum lanceolatum
Next taxon: Solanum nigrum

Name Search

Please use this Google Form for Contact/Feedback

Citation for this treatment: Michael H. Nee 2012, Solanum marginatum, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=44876, accessed on April 19, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 19, 2024.

No expert verified images found for Solanum marginatum.



Geographic subdivisions for Solanum marginatum:
CCo, SCo
MAP CONTROLS
1. You can change the display of the base map layer control box in the upper right-hand corner.
2. County and Jepson Region polygons can be turned off and on using the check boxes.
map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

Data provided by the participants of the  Consortium of California Herbaria.
MAP LEGEND
View all CCH records
All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS


CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).