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Topic: Amaranthoideae

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	McCauley, Ross A. (Site not responding. Last check: 2007-11-02)
		Recent evidence has supported the segregation of a monophyletic Gomphrenoideae as a group of 20 genera centered in the New World tropics segregated from the Amaranthoideae principally on the presence of 1-locular as opposed to the 2-locular anthers in the Amaranthoideae.
		The anomalous genus Pseudoplantago is shown to occur within the Pfaffiod clade of the Gomphrenoideae, despite a number of morphological characters that have suggested a transfer to the subfamily Amaranthoideae.
		The arid North American genus Tidestromia, exhibiting a unique floral and pollen morphology, is shown to fall basal to the principal groups of the Gomphrenoideae.
	www.botany2002.org /section12/abstracts/140.shtml (315 words)

	evolutionary patterns of the plant family Amaranthaceae on the Galápagos and Hawaiian Islands, The Journal of ...
		Several infraspecific taxa have been recognized but the current classification should be regarded as tentative and further studies based on molecular data are needed.
		In the Hawaiian Islands the subfamily Amaranthoideae has differentiated, with one genus, Nototrichium, endemic with three species.
		The higher level of endemism in Hawaii as compared with that in the Galápagos stems from the combined effects of the more isolated geographical position, the more varied ecological conditions, and the greater geological age of the Hawaiian chain.
	www.findarticles.com /p/articles/mi_qa4017/is_200404/ai_n9363751 (407 words)

	Abstract 4258 from Intl. Bot. Congress 1999 (Site not responding. Last check: 2007-11-02)
		The family Amaranthaceae exhibits several traits of so-called insular speciation in isolated habitats.
		In the GALÁPAGOS the main diversification and speciation occurs in the subfamily Gomphrenoideae, whereas in Hawaii the subfamily Amaranthoideae exhibits a similar pattern.
		These differences can largely be explained by the geographical distances to the different source regions.
	www.biologie.uni-hamburg.de /b-online/ibc99/ibc/abstracts/listen/abstracts/4258.html (164 words)

	Amaranthoideae - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-11-02)
		Start the Amaranthoideae {{#if:pagearticle}} {{#switch:=or add a request for it.}}
		Look for "Amaranthoideae" in Wiktionary, our sister dictionary project.
		Look for Amaranthoideae in the Wikimedia Commons, our repository for free images, music, sound, and video.}}
	psychcentral.com /psypsych/Amaranthoideae (350 words)

	Mueller, Kai F.* and Thomas Borsch. (Site not responding. Last check: 2007-11-02)
		are monophyletic, and that subfamily Amaranthoideae (characterized by 4-locellate anthers) is paraphyletic to the bilocellate Gomphrenoideae.
		In Amaranthoideae, the tribe Celosieae (with the ornamental Celosia) is monophyletic, while the Amarantheae (including the grain amaranths) are polyphyletic.
		Thus, the ovule number as traditionally used to delimitate both tribes appears homoplastic.
	www.botany2002.org /section12/abstracts/102.shtml (294 words)

	PBIO 250 Lecture Notes - Selected Families of Angiosperms: Caryophyllidae - Spring 1998
		Cosmopolitan but most of tropical and warm regions, some in temperate areas.
		Two subfamilies are accepted: Amaranthoideae Burnett and Gomphrenoideae Kostel.
		Full description from Watson & Dallwitz; family synonymy from Reveal; list of genera from Kew; family synopses from the University of Hawaii and Utah State.
	www.life.umd.edu /emeritus/reveal/pbio/pb250/cary.html (893 words)

	Amaranthoideae
		[ Alyssoideae ] [ Amaranthoideae ] [ Amaryllidoideae ]
		Vernacular names of plants within the Subfamily Amaranthoideae
		For a description of the methodology followed in establishing this hierarchy see the note Nomenclature used in The Compleat Botanica.
	www.crescentbloom.com /Plants/Subfamilia/A/Amaranthoideae.htm (67 words)

	Caryophyllales
		Some problem taxa: Pleuropetalum (leaves spiral; inflorescence racemose, P 5, A 8, connate basally, G 5-6, several basal ovules, fruit initially fleshy; n = 8, 9 - A paired in development [Ronse Decraene et al.
		1999]), in Amaranthoideae (Townsend 1993); Microtea (leaves spiral; inflorescence racemose, flowers in groups of up to 3; A (2-)5-9, pollen pantoporate, G [2-4], orientation variable, unilocular, funicle quite long [Baillon 1886], styles/stigmas diverging; fruit an achene.
		Amaranthus (Amaranthoideae: anthers 4-locellate at maturity, dehisce by 2 slits; 1-many ovules) sister to Beta, etc., in ORF 2280 phylogenies, and this whole group sister to Celosia [Celosieae - monophyletic, several ovules, derived!) and Froelichia, etc. + Gomphreneae - monophyletic, anthers monothecal, pollen metareticulate, the mesocolpium raised (see Downie et al.
	www.mobot.org /mobot/research/apweb/orders/Caryophyllalesweb.htm (9760 words)

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