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衹, 106.3653訖. 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: 3/23/2025 6:14:52 PM