Tropicos | Name - Exhalimolobos parryi (Hemsl.) Al-Shehbaz & C.D. Bailey

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Exhalimolobos parryi (Hemsl.) Al-Shehbaz & C.D. Bailey

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Published In: Systematic Botany 32(1): 147. 2007. (28 Feb 2007) (Syst. Bot.)

Project Name Data (Last Modified On 7/20/2009)

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6. Exhalimolobos parryi (Hemsley) Al-Shehbaz & C. D. Bailey, Syst. Bot. 32: 147. 2007; Sisymbrium parryi Hemsley, Dign. Pl. Nov. Mexic. 2: 19. 1879; Hesperis parryi (Hemsley) Kuntze, Revis. Gen. Pl. 2: 935. 1891; Halimolobos palmeri (Hemsley) O. E. Schulz var. parryi (Hemsley) O. E. Schulz, Pflanzenreich IV. 105(Heft 86): 291. 1924; Halimolobos parryi (Hemsley) Rollins, Contr. Dudley Herb. 3: 249. 1943. TYPE: Mexico, San Luis Potosí, 22°N, 6,000-8,000 ft., 1878, C. C. Parry & E. Palmer 15 (holotype, K!; isotype, GH!).

Halimolobos minutiflorus Rollins, Contr. Gray Herb. 206: 3. 1976. TYPE: Mexico, San Luis Potosí, rocky area near Mexican hwy 49 between San Luis Potosí and Zacatecas, 49 miles W of San Luis Potosí, 7 Oct 1974, R. C. Rollins & K. W. Roby 74127 (holotype, GH!; isotype, GH!).

Herbs biennial, pubescent with dendritic trichomes. Stems 4-8 dm, erect, branched above, pubescent with coarse dendritic trichomes. Basal leaves petiolate, broadly oblong, 10-20 ´ 4-6 cm, sinuate to coarsly dentate; middle cauline leaves sessile, auriculate, 3-6 ´ 0.5-2 cm, pubescent with dendritic trichomes, coarsely dentate. Racemes elongated considerably in fruit; fruiting pedicels horizontal to recurved or divaricate, pubescent, 3-8 mm. Sepals oblong, pubescent, ca. 2 mm; petals white, spatulate, 3-3.5 ´ ca. 1 mm; ovules 40-60(-84) per ovary. Fruits oblong to oblong-linear, 0.7-1.2 cm ´ 1-1.5 mm, horizontal to slightly divaricate; valves glabrous outside, sparsely pubescent inside; style ca. 1 mm. Seeds oblong, biseriate, 0.6-0.8 mm.