Eastern Mojave Vegetation
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Eastern Mojave Vegetation
| Coll. No. 1950, Penstemon rydbergii |
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Photographed 23 December 2018. Coll. No. 1950, 20 June 2018, characters observed: Perennial herb, to 30 cm., caulescent; Stem, unbranched, leafy, increasingly pubescent above, (in lines running downward from intervals between leaf-pairs, Harrington, 1964); Leaves, basal and cauline, green (not thick, fleshy, or glaucus); basal, some withered at anthesis, petiole, 20 mm. + blade 50 mm. × 9-10 mm. wide, margin, entire, glabrous, cauline, opposite, sessile, 75 mm. × 12 mm. wide, reduced above, oblanceolate, slightly falcate, margin, entire; Inflorescence, 2 dense symmetrical verticillasters, 48 mm. × 30 mm. wide, eglandular; Bracts, 9-11 mm., scarious margins, tip acuminate; Pedicels, 1-3.5 mm, obscured; Flowers, ascending to spreading; Calyx, tube 1 mm. + lobes 3.5 mm., green, margins scarious; Corolla, tube 7-8 mm. + lobes 1.5-2.0 mm., blue, palate, yellow bearded; Filaments, 10 mm., curved at end; Anthers, just reaching to end of corolla, spreading wide, 1.5 mm., glabrous on side opposite dehiscence; Staminode, not widened at tip, scant golden hairs; Ovary, 1.8 mm. × 1.2 mm. wide; Style, 10 mm.; Stigma, weakly lobed.
Article records that use this photograph:
Other photos about Species - Plantaginaceae or Penstemon rydbergii.
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Date and time this page was prepared: 12/8/2024 2:16:19 PM |