Interested in the identification of penstemons? Please select a species then click on submit:
| Attribute | The current selection is Penstemon_leonardii |
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| Classification | Penstemon
Saccanthera Saccanthera Heterophylli |
| General | Leonard’s Penstemon.
The species forms a dwarf subshrub, and is one of the more easterly of Subgenus Saccanthera. It grows near the closely related P. platyphyllus and P. sepalulus with no sign of hybridization. They may have evolved in separate geographical regions and migrated into their present sites following climatic change.
Blooms: June and July. |
| Anther | Horseshoe-shaped, opening only across the joined edges, sutures papillate-toothed (nipple-shaped), black -purple. |
| Staminode | included to exserted, slightly widened at tip and smooth, white with a blue tip.Fertile Stamens: reaching the orifice, but not exserted. |
| Leaves | 2-4 cm (1-2”) long, 4-10 mm wide, oblanceolate, the lower leaves sometimes spatulate and the upper sometimes obovate, glabrous |
| Stems | 1-3 dm (4-12”) tall, shrubby, spreading to ascending with decumbent bases, usually several and branched, clustered on a much-branched woody caudex (base), with a taproot, leafy steile shoots and flowering stems puberulent. |
| Inflorescense | 2-6 vertillasters, the cymes 1-4-flowered, often becoming a continous thryse, the summit of pedicels (stems) granular-pubescent (unusual stalkless glandular hairs) often sloughing off with age, second (flowers on one side of stems). |
| Corolla | 14-20 mm (9/16-3/4”) long, moderately ampliate (lips equal and opening at tip, lower one longer here), throat shallowly 2-ridged, lips deep-blue or violet, throat pale violet to white within, tube violet, glabrous in and out. |
| Flower Color | |
| Calyx | 3-5.5. mm. (<1/4”) long, lanceolate, pointed, spreading at tips, glabrous, margins narrowly scarious (thinned). |
| Habitat | Dry rocky sagebrush, 2-3000m (6-9000’) |
| Range | Sporadic ne UT to sw UT |
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