minutely papillate, dull or ± shiny; corolla scars apical; pappi 0. x = 7. c United States, n Mexico. Species 3 (3 in the flora). See discussion of Filagininae
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131–149. Foster, R. C. 1937. A cytotaxonomic survey of the North American species of Iris. Contr. Gray Herb. 119: 3–79. Henderson, N. C. 1991. Iris ×pacifica
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ciliate-barbellate, apically attenuate bristles in 1–2 series. x = 5 (4). w, c United States. Species 4 (4 in the flora). Oönopsis is characterized by a relatively
6 KB (504 words) - 21:06, 5 November 2020
with an internal cavity adjacent to embryo. 2n = 14, 28, 42, 56. w, c United States, n Mexico. Species 4 (4 in the flora). Section Megapterium consists
6 KB (494 words) - 11:32, 9 May 2022
dichasia; involucral gland appendages 0.7–1.7 mm; seeds 3.4 × 2.7 mm; c United States, mostly e of Rocky Mountains. Euphorbia hexagona 5 Stems 4–25 cm; leaf
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rarely dehiscent (in M. hispidum). Seeds 1 per mericarp, glabrous. x = 6. United States, Mexico, West Indies, Central America, South America, ne Australia. Two
6 KB (382 words) - 23:21, 5 November 2020
[0 or 5–]20–40, barbellate bristles in 1 series. x = (4) 10. se, s, c United States, Mexico, Central America, Andean South America. Species ca. 80 (2 in
4 KB (289 words) - 21:09, 5 November 2020
Newport News, Virginia (C. F. Reed 1964), but does not appear to have persisted there. Croton bonplandianus would also key with C. glandulosus but differs
18 KB (818 words) - 20:14, 5 November 2020
proximal part, tapering abruptly toward base; sessile. 2n = 14. w, c United States, n, c Mexico, introduced in s South America, Asia (China, Japan), Australia
3 KB (187 words) - 11:33, 9 May 2022
pappi 0 or coroniform (of setae or scales to 0.1 mm). x = 3, 4, 5. c United States, Mexico. Species 12 (3 in the flora). Astranthium is characterized by
5 KB (448 words) - 21:03, 5 November 2020
yellowish brown, narrowly fusiform or ovoid; endosperm sparse, fleshy. c, e United States, e Asia, Africa. Genus 1, species 29 (1 in the flora). Iteaceae, which
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varieties is avoided in this account, and four species (C. blaisdellii, C. holmgrenii, C. nymanii, C. umbellata) are added to the flora. Cardamine corymbosa
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angled to angled-globular; embryo straight, endosperm abundant. c, se United States, Mexico, West Indies, Central America, South America, Pacific Islands
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endosperm present, fleshy; embryo straight; cotyledon flat. x = 7, 9, 10. c, se United States, Mexico, West Indies, Central America, South America, Asia, Africa
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the species of Euphorbia subgenus Esula (Euphorbiaceae) native to the United States and Canada. J. Bot. Res. Inst. Texas 5: 143–151. Norton, J. B. S. 1900
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hairs of cypselae) [coroniform]. Introduced (possibly native) in s-c United States, s South America. Species 5 (1 in the flora. See discussion of Filagininae
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throughout their length. Seeds obovoid, 1–2.5 mm. 2n = 14, 28. sw, c United States, n Mexico. Subspecies 5 (5 in the flora). Oenothera hartwegii consists
6 KB (446 words) - 11:31, 9 May 2022
3-4 mm, with terminal pores. Berries pseudo 10-locular. Seeds 2-7. c, se United States, Mexico, West Indies, Central America. Species 7 (1 in the flora)
2 KB (163 words) - 23:41, 5 November 2020
granular, but minutely papillose under magnification. 2n = 14, 28, 42. w, c United States, Mexico, West Indies, Bermuda, Central America, South America, introduced
7 KB (620 words) - 11:32, 9 May 2022
Map Legacy Map Alta., B.C., Man., N.B., N.S., N.W.T., Ont., P.E.I., Que., Sask., Yukon, Ala., Ariz., Ark., Calif., Colo., Conn., D.C., Del., Ga., Idaho, Ill
4 KB (253 words) - 19:10, 6 November 2020