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Published In: Journal of the Arnold Arboretum 21(3): 395. 1940. (24 Jul 1940) (J. Arnold Arbor.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 8/30/2009)
 

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Cardamine longipedicellata Rollins, J. Arnold Arbor. 21: 395. 1940, non Z. M. Tan and G. H. Chen, Acta Phytotax. Sin. 34: 650. 1996. TYPE: Mexico, Nuevo Leon, San Francisco Canyon, about 15 miles SW of Pueblo Galeana, 11 May 1934, C.H. & M.T. Mueller 298 (holotype, GH!).

Cardamine ramosa Rollins, Cruciferae Continental N. Amer. 295. 1993. TYPE: Mexico, San Luis Potosí, 3 miles E of Xilitla, 3000 ft, 18 Jul 1963, R. L. McGregor, L. J. Harms, A. J. Robinson, R. del Rosario & R. Segal 903 (holotype, GH!).

            Herbs, annual or rhizomatous perennial, glabrous or sparsely pubescent. Stems 10–30 cm, erect or decumbent, simple or branched above. Cauline leaves petiolate, not auriculate, pinnately compound; terminal leaflet 5–20 ´ 3–8 mm, suborbicular, broadly ovate, or obovate, base cuneate to subtruncate, margin entire or dentate, apex acute, petiolule to 2 cm; lateral leaflets 1–3(or 4) on each side of rachis, similar to terminal leaflet but smaller and often with shorter petiolules; uppermost leaves smaller. Racemes ebracteate, lax, few flowered, somewhat secund in fruit; fruiting pedicels (4–)9–20 mm, divaricate to ascending, slender, straight, glabrous or pubescent. Sepals 2–2.5 ´ 0.8–1 mm, oblong, caducous; petals 4–6 ´ 1–2 mm, white, spatulate, apex obtuse; filaments 2–3 mm; anthers 0.6–0.7 mm, oblong; ovules 12–16(–18) per ovary. Fruits 2.2–3 cm ´ 1–1.3 mm; style 0.5–2 mm. Seeds 1.2–1.5 ´ 0.8–1 mm, light brown, oblong.

Flowering: Jul–Nov.

Habitat: slopes, roadsides.

Elevation: 1000–3200 m.

Distribution: Mexico (Chiapas, Hidalgo, Distito Federal, Nuevo León, Puebla, San Luis Potosí, Veracruz), Guatemala.

Notes: the only difference in the original descriptions of Cardamine longipedicellata and C. ramosa is in the length of the fruiting pedicels, which was said to be 10-20 mm long in the former and 4-7(-10) mm in the latter. However, several paratypes cited by Rollins (1993) under C. ramosa, including Matuda 4694, clearly have fruiting pedicels to 17 mm.

 

 
 


 

 
 
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