|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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 |
|Family: Malvaceae||View Description||Dichotomous Key|
|Genus: Sida||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Sida spinosa L.
Habit: Annual, stellate-puberulent. Stem: 3--10 dm, stiff, straight, branches ascending. Leaf: blade 2--4 cm, serrate, minutely stellate-puberulent, paler abaxially, glabrous adaxially. Inflorescence: flowers 1--several in leaf axils. Flower: calyx 5--7 mm, puberulent; petals +- 5 mm, > calyx; filament tube 2 mm, glabrous; styles 5, stigmas head-like. Fruit: 4--5 mm diam, +- glabrous. Chromosomes: 2n=14,28.
Ecology: Scarce; in disturbed places, fields; Elevation: generally < 300 m. Bioregional Distribution: SnJV; Distribution Outside California: southern, central and eastern United States to southern South America; widely introduced worldwide. Flowering Time: Jun--Oct? Note: Generally an agricultural weed; often grows with Hibiscus trionum, Gossypium; apparently reported from Fresno County; included as a possible waif, despite apparent lack of specimens from California, due to likelihood of occurrence there.
eFlora Treatment Author: Steven R. Hill
Jepson Online Interchange
Previous taxon: Sida rhombifolia
Next taxon: Sidalcea
Citation for this treatment: Steven R. Hill 2016. Sida spinosa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=44401, accessed on August 25, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 25, 2016.