| 词条 | Erythrostemon mexicanus |
| 释义 |
| name = Erythrostemon mexicanus | status = | image =Caesalpinia mexicana 3c.JPG | image_caption = | regnum = Plantae | unranked_divisio = Angiosperms | unranked_classis = Eudicots | unranked_ordo = Rosids | ordo = Fabales | familia = Fabaceae | genus = Erythrostemon | species = E. mexicana | binomial = Erythrostemon mexicana | binomial_authority = (A.Gray 1861) E. Gagnon & G. P. Lewis 2016 | synonyms =
|synonyms_ref = [1] |range_map = Caesalpinia mexicana range map 2.png |range_map_caption = Natural range }}Erythrostemon mexicanus is a species of flowering plant in the pea family, Fabaceae. Common names include Mexican holdback,[2] Mexican caesalpinia, and tabachín del monte.[3] It is native to the extreme lower Rio Grande Valley of Texas[4] in the United States and south to central Mexico.[5] Its range in Mexico includes the northeast and further south along the Gulf coast as well as the Pacific coast in Nayarit, Jalisco, Colima, and a small portion of Sinaloa.[6] DescriptionMexican holdback is a small evergreen tree or large shrub, reaching a height of {{convert|3|-|4.6|m|ft|abbr=on}} and a spread of {{convert|1.8|-|3|m|ft|abbr=on}}. Leaves are bipinnately-compound and dark green.[7] Each leaf has five to nine pinnae {{convert|4|-|9|cm|in|abbr=on}} in length.[8] Pinnae are composed of four to five leaflets[7] that are {{convert|1|-|2.5|cm|in|abbr=on}} long and {{convert|0.7|-|1.3|cm|in|abbr=on}} wide.[8] Yellow, slightly fragrant flowers are produced on {{convert|7.6|-|15.2|cm|in|adj=on|abbr=on}} terminal spikes[7] of 10 to 30.[3] Blooming takes place from February to July, often continuing to October. The fruit is a dehiscent tan or yellow seedpod {{convert|5.1|-|7.6|cm|in|abbr=on}} in length.[7] UsesMexican holdback is cultivated as an ornamental because of its showy flowers, lush,[3] fine-textured foliage, and drought tolerance.[9] EcologyErythrostemon mexicanus is the host plant for the caterpillars of the curve-winged metalmark (Emesis emesia).[10]References{{commonscat}}{{Wikispecies}}1. ^{{cite web |url=http://www.tropicos.org/Name/13003261 |title=Caesalpinia mexicana A. Gray |work=TROPICOS |publisher=Missouri Botanical Garden |accessdate=2009-11-25}} 2. ^{{cite web |url=http://plants.usda.gov/java/profile?symbol=CAME |title=Caesalpinia mexicana A. Gray Mexican holdback |work=PLANTS Database |publisher=United States Department of Agriculture |accessdate=2009-12-03}} 3. ^1 2 {{cite book |url=https://books.google.com/books?id=r9qqlxIOKTwC&dq |title=How to Grow Native Plants of Texas and the Southwest |first=Jill |last=Nokes |edition=2 |publisher=University of Texas Press |year=2001 |isbn=978-0-292-75573-4 |pages=151–152}} 4. ^{{cite web |url=http://aggie-horticulture.tamu.edu/ornamentals/natives/caesalpiniamexicana.htm |title=Mexican Caesalpinia, Mexican Poinciana |work=Benny Simpson's Texas Native Trees |publisher=Texas A&M University |accessdate=2009-01-28}} 5. ^{{GRIN | accessdate=2009-11-25}} 6. ^{{cite book |url=http://esp.cr.usgs.gov/data/atlas/little/caesmexi.pdf |title=Atlas of United States Trees |volume=Volume 3, Minor Western Hardwoods |first=Elbert L. |last=Little, Jr. |year=1976 |publisher=US Government Printing Office |id=Library of Congress No. 79-653298}} Map 27-N & Map 27-SW, Caesalpinia mexicana 7. ^1 2 3 {{cite book |url=https://books.google.com/books?id=AyWkIsLDca8C&dq |title=Trees and Shrubs for the Southwest: Woody Plants for Arid Gardens |first=Mary |last=Irish |publisher=Timber Press |year=2008 |isbn=978-0-88192-905-8 |pages=141–142}} 8. ^1 {{cite book |url=https://books.google.com/books?id=vF_1X65cDxYC |first=Alfred |last=Richardson |title=Plants of the Rio Grande Delta |publisher=University of Texas Press |year=1995 |isbn=978-0-292-77070-6 |pages=103–104}} 9. ^{{cite web |url=http://edis.ifas.ufl.edu/pdffiles/FP/FP08200.pdf |format=PDF |first=Edward F |last=Gilman |title=Caesalpinia mexicana Mexican Caesalpinia |work=IFAS Extension |publisher=University of Florida |date=October 1999 |accessdate=2010-11-23}} 10. ^{{cite web |url=http://www.butterfliesandmoths.org/species?l=1649 |title=Curve-winged Metalmark Emesis emesia (Hewitson, 1867) |publisher=Butterflies and Moths of North America |accessdate=2009-11-29}} External links
12 : Caesalpinieae|Plants described in 1862|Flora of the U.S. Rio Grande Valleys|Trees of Hidalgo (state)|Trees of Nuevo León|Trees of San Luis Potosí|Trees of Tamaulipas|Trees of Veracruz|Sierra Madre Oriental|Trees of Nayarit|Trees of Jalisco|Trees of Colima |
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