Eastern Mojave Vegetation Coll. No. 2503, Lathyrus lanszwertii var. laetivirens  


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  Fabaceae Lathyrus lanszwertii laetivirens
Photographed 29 October 2021.

Plants of Jefferson County Open Space
Jefferson County, Colorado

Lathyrus lanszwertii Kellogg var. laetivirens (Greene ex Rydb.) S. L. Welsh.  Aspen Pea.

Lippincott Ranch, Jefferson County, Colorado. Southwest corner of the ranch, on the bank of an unnamed intermittent stream tributary to Bull Gulch, 22.7 km. north northwest of the GNIS location of Golden. 39.9058N, 105.2787W. WGS 1984 Elev. 1990 m. Flowers white with purple veins, tendrils variously coiled. In grasses, also collected nearby: Actaea rubra, Barbarea vulgaris, and Gratiola neglecta. Jointly owned by City of Boulder Open Space and Mountain Parks and Jefferson County Open Space.

Collected by permit: Jefferson County Open Space, 2021, issued: Apr 1, 2021, to: Tom Schweich.

Tom Schweich, with John Vickery 2503. 4-Jun-2021

Coll. No. 2503, 4 June 2021, characters observed: Perennial herb, to 40 cm.; Leaves, pinnately compound with tendrils, leaflets, 6 (3 pair), tendril, to 40 mm., some forked, most coiled; Calyx, fused 3.5 mm., free 2 mm.; Flowers, zygomorphic, petals, white, banner, 12 mm., flexed at middle, veins purple; Style, flattened.

In Ackerfield (2015), Lathyrus lanszwertii Kellogg var. laetivirens (Greene ex Rydb.) S. L. Welsh. In Weber & Wittmann (2012), Lathyrus leucanthus Rydb. In Plants of the World (2021), Lathyrus laetivirens Greene ex Rydb.

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Other photos about Species - Fabaceae or Lathyrus lanszwertii laetivirens.


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Date and time this page was prepared: 11/20/2023 9:51:59 AM