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Perideridia gairdneri (Hook. & Arn.) Mathias
Family: Apiaceae
Gardner's yampah,  more...
[Carum garrettii A.Nelson]
Perideridia gairdneri image
William R. Hewlett  
Plant: Perennial, glabrous, 3-14 dm; roots tuberous, single or 2-3-clustered, 1.5-8 cm, fusiform; stem erect, branched Leaves: basal petiole 8-15 cm; basal blade 20-35 cm, oblong to ovate, generally 1-pinnate, leaflets 2-12 cm, linear or lanceolate, basal sometimes lobed or ternately dissected; cauline leaves 1-2-pinnate or 1-2-ternate INFLORESCENCE: compound umbels; peduncle 3-20 cm; bracts generally 0; bractlets 8-13, 1-4 mm, linear-lanceolate; rays generally 7-16, 1.5-7 cm, unequal, spreading-ascending; pedicels 4-8 mm; secondary umbels 15-40-flowered Flowers: small, many; calyx lobes evident; petals generally obovate, white, tips narrowed; stamens 5; pistil 1, ovary inferior, 2-chambered, generally with a ± conic, persistent projection or platform on top subtending 2 free styles; styles 1-2 mm Fruit: 2 dry, 1-seeded halves that separate from each other but generally remain attached for some time to a central axis, 2.5-3.5 mm, ± round, slightly compressed side-to-side or not at all, glabrous; ribs subequal, thread-like, not winged; oil tubes per rib-interval 1; fruit axis divided to base; Seed: face flat to grooved Misc: Moist soil of flats, meadows, streamsides, grasslands, pine groves; 0-3000 m.
Perideridia gairdneri image
Beatrice F. Howitt  
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Stephanie Harvey  
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image
Perideridia gairdneri image