Eastern Mojave Vegetation Red-tipped glands in the inflorescence of Coll. No. 1989, Potentilla pulcherrima  


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  Rosaceae Potentilla pulcherrima
Microphotographed 18 January 2019.

Coll. No. 1989, 23 July 2018, characters observed: Basal Leaves, petiole, 170 mm., blade, 55 mm. × 75 mm. wide, compound, palmate, leaflets, #7, 53 mm. × 16.5 mm. wide, cleft ½ for entire length, adaxial green sparse long unicellular hairs, abaxial silvery gray tomentose, Cauline Leaves, 4 per stem, alternate, reduced in size, stipules, large, 20 mm. × 7 mm. wide, ovate, entire; petiole, 18 mm., blade, 30 mm. ×. 34 mm. wide, leaflets, #5 or 7, 23 mm. × 9 mm. wide, lobed ⅓ to mid-rib entire length of leaflet, teeth, tiny dark tip; Inflorescence, 10-40 flowers, cymose, red-tipped glands on distal stems, petioles, and calyx. (These are said to be conspicuous but I never see them until I get to that couplet in the key.) Flowers, limb, 17 mm.; Petals, #5, 7.5 mm. × 4.5 mm. wide, obovate, yellow; Anthers, 0.8 mm.; Ovary, many, glabrous; Style, 2.0 mm., emerging from near top of ovary, filiform to slightly tapered throughout; Achenes, 0.7 mm. × 0.5 mm. wide, tan, glabrous.

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Date and time this page was prepared: 6/16/2024 11:58:08 AM