Difference between revisions of "Euphorbia curtisii"
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| range_map_caption = Natural range of ''Euphorbia curtisii'' from USDA NRCS [http://www.plants.usda.gov/core/profile?symbol=EUCU3 Plants Database]. | | range_map_caption = Natural range of ''Euphorbia curtisii'' from USDA NRCS [http://www.plants.usda.gov/core/profile?symbol=EUCU3 Plants Database]. | ||
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Common name: Curtis' spurge | Common name: Curtis' spurge | ||
==Taxonomic notes== | ==Taxonomic notes== | ||
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Associated species include wiregrass, ''Quercus pumila, Q. minima, Serenoa repens''<ref name=fsu/>. | Associated species include wiregrass, ''Quercus pumila, Q. minima, Serenoa repens''<ref name=fsu/>. | ||
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| − | ===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers. Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ --> | ||
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| − | + | ==Conservation and management== | |
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==Cultivation and restoration== | ==Cultivation and restoration== | ||
==Photo Gallery== | ==Photo Gallery== | ||
<gallery widths=180px> | <gallery widths=180px> | ||
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==References and notes== | ==References and notes== | ||
Revision as of 13:12, 21 June 2016
| Euphorbia curtisii | |
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| Photo by John R. Gwaltney, Southeastern Flora.com | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta - Flowering plants |
| Class: | Magnoliopsida – Dicotyledons |
| Order: | Euphorbiales |
| Family: | Euphorbiaceae |
| Genus: | Euphorbia |
| Species: | E. curtisii |
| Binomial name | |
| Euphorbia curtisii Engelm. | |
| |
| Natural range of Euphorbia curtisii from USDA NRCS Plants Database. | |
Common name: Curtis' spurge
Contents
Taxonomic notes
Synonyms: Tithymalopsis curtisii (Engelmann) Small; Tithymalopsis eriogonoides Small
Description
Generally, for the Euphorbia genus, they are "large and variable genus of annual and perennial, lactiferous, herbs, trees, and shrubs. Leaves opposite, alternate or some in a combination including whorled, entire, crenate, serrate or lobed. Flowers unisexual, borne in cyathia (involucres resembling flowers) with 4 or 5 lobes, at least one bearing a large gland, often with petaloid appendages. Each cyathium usually contains one pistillate flower and 2-15 or more staminate flowers; the staminate flower consists of a single stamen; the pistillate of a single pistil with 3-locules. Capsule 3-locular, each locule 1- seeded." [1]
Specifically, for Euphorbia curtisii species, they are "similar to E. ipecacuanhae. Stems stiffly erect, freely branched; lowers branches alternate, the upper ones opposite. Lower leaves mostly bract-like, alternate, the upper opposite, linear, lanceolate or oblong, glabrous or pubescent, 1-6 cm long, 0.5-1.5 mm wide, petioles 0.5-5 mm long. Peduncles 0.3-2 cm long. Cyathia glabrous or pubescent, 1.5-3 mm broad, petaloid appendages of glands white or pale pink, 0.8-1.3 mm long; 1-1.5 mm wide. Capsules remotely pubescent or glabrous, 2.5-3 mm long; pedicels exserted less than 1 mm from cyathia. Seeds gray mottled with reddish brown, 1.8-2 mm long." [1]
Distribution
Ecology
E. curtisii was absent before herbicide treatments near the end of the growing season but present after. This might be because of increased availability of resources.[2]
Habitat
E. curtisii occurs in wet pine flatwoods, in longleaf pinelands and savannas. This has also been spotted in human disturbed areas such as along roadsides and in edges of flatwoods. May be associated with areas that have been disturbed where the soil is a heavy sticky clay type[3].
Associated species include wiregrass, Quercus pumila, Q. minima, Serenoa repens[3].
Fire ecology
This species has been seen in Longleaf pinelands after a prescribed burn[3].
Conservation and management
Cultivation and restoration
Photo Gallery
References and notes
- ↑ 1.0 1.1 Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 668-672. Print.
- ↑ Bohn, K. K., P. Minogue, et al. (2011). "Control of invasive Japanese Climbing Fern (Lygodium japonicum) and response of native ground cover during restoration of a disturbed longleaf pine ecosystem." Ecological Restoration 29: 346-356.
- ↑ 3.0 3.1 3.2 Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: June 2014. Collectors: Robert K. Godfrey and Roy Komarek. States and Counties: Florida: Jefferson, Leon, and Wakulla. Georgia:Thomas.
