Interested in the identification of penstemons? Please select a species then click on submit:
| Attribute | The current selection is Penstemon_atwoodii |
|---|---|
| Classification | Penstemon Penstemon Cristati |
| General | Atwood’s Penstemon. Blooms: June |
| Anther | 0.9-1.5 mm long, widely spreading, opening the full length, but not flat, smooth except for the nipple-toothed edges of cell openings. |
| Staminode | Exserted beyond orifice, golden-yellow-bearded; fertile stamens barely exserted. |
| Leaves | 3/-8 cm (1 ¼-2”) long & 6-12 mm (1/4-3/8”) wide, narrowly oblanceolate to oblanceolate or lanceolate, entire, or sometimes toothed, acute or obtuse, the basal ones tapering to a petiolar base; the cauline ones stemless and clasping. |
| Stems | Relatively tall perennial herb, 1.4-3.5 dm (5 ½-14”) tall, stems erect or ascending, 1 to few stems from a thick crown surmounting a taproot; herbage smooth to just below the inflorescence where it becomes glandular-puberulent (sticky-fuzzy). |
| Inflorescense | Narrow, the cymes are dense clusters of subsessile (very short-stemmed) flowers. |
| Corolla | Tiny, 10-12 mm (3/8”) long, moderately belled, the upper lip projecting, the lobes of lower lip reflexed, the limb (lips) blue, the throat lavender with dark violet guidelines within, glandular-puberulent externally, the palate sparsely bearded. |
| Flower Color | |
| Calyx | 6-8 mm (1/4”) long, segments lanceolate, acute, glandular-pubescent, the margins not ragged. |
| Habitat | Sandy soil in pinyon-juniper woodlands, 1650-2000 m (5500-6700’) elev. |
| Range | Endemic to the Kaiparowits Plateau and Smoky Mt. in adj. parts of Garfield and Kane Cos., UT. |