Eastern Mojave Vegetation Coll. No. 3104, Boechera grahamii.  
 

 

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If you have a question or a comment about this photograph you may write to me at: tomas@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address. 		  Brassicaceae Boechera grahamii
Photographed 9 January 2024.

Plants of Colorado
Brassicaceae

Boechera grahamii (Lehm.) Windham & Al-Shehbaz.  Graham's Rockcress.

West Tennessee Creek, Lake County, Colorado. Lowest terrace above West Tennessee Creek, 588 m. (geodesic) southeast of Lily Lake, 12.3 km. (geodesic) north northwest of Leadville. 39.3459°N, 106.3653°W. WGS 1984 Elev. 3168 m. First terrace above creek, sunny and dry, with Arenaria sp. and Erigeron sp.

Collected by permit: Pike San Isabel National Forest, 2023, issued: Jul 1, 2023, to: Tom Schweich.

Tom Schweich 3104. 18-Jul-2023

Coll. No. 3104, 18 July 2023, characters observed: Perennial herb, terrestrial, to 35 cm., hairs, sessile, forked, 3-5 branches; Stem, erect, leafy, glabrous (even at base); Leaves, basal, petiole 6 mm., blade 14 mm. × 2.8 mm. wide, oblanceolate, margin, entire, hairy, cauline, #33, sessile, auriculate, lanceolate, entire, few dolabriform hairs; Inflorescence, raceme, 140 mm. × 45 mm. wide, not bracted, not one-sided; Flowers, radial; Sepals, #4, 4 mm. × 1.3 mm. wide, elliptic, green, glabrous; Petals, claw 1.5 mm., blade 5.5 mm. × 1.2 mm. wide, entire, lavender; Filaments, 3.5 mm., plain; Anthers, 1.2 mm.; Stigma, capitate; Fruit, pedicels, 7 mm., longest somewhat sigmoid, glabrous, body, 19 mm. × 1-0.5 mm. wide, spreading, slightly ascending to slightly descending, firm, glabrous; Ovules, ±biseriate.

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Date and time this page was prepared: 12/8/2024 2:16:05 PM