Jepson Flora Project: Jepson Interchange    

The Jepson Manual: Higher Plants of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

Names are linked to treatments from the Manual


N.B.: couplets are linked, e.g., 1. is linked to 1'.

  1. Stem with minute reflexed prickles; lower leaves alternate
N. breviflora
  1' Stem without reflexed prickles; lower leaves opposite
    2. Corolla > 1 cm wide
      3. Seeds smooth or pitted; purple spot generally at tip of corolla lobes
        4. Corolla 10–45 mm wide; style 3–6 mm
N. maculata
        4' Corolla 2–10 mm wide; style < 2 mm
2 N. spatulata
      3' Seeds wrinkled and tubercled; purple spot 0
N. menziesii
        5. Upper, lower leaves dissimilar
          6. Lower leaves 5–7-lobed; corolla 6–15 mm wide
var. integrifolia
          6' Lower leaves 6–13-lobed; corolla 10–40 mm wide
var. menziesii
        5' Upper, lower leaves similar, deeply 5–13-lobed
          7. Corolla white, black-dotted from center to margin
var. atomaria
          7' Corolla blue with white center or blue-veined, generally black-dotted at center
var. menziesii
    2' Corolla < 1 cm wide
      8. Corolla generally rotate; filaments > corolla tube
        9. Calyx appendages 1–4 mm; seeds wrinkled and tubercled
2 N. menziesii var. integrifolia
        9' Calyx appendages 0–0.5 mm; seeds smooth or obscurely rough
N. pulchella
          10. Corolla blue, > calyx; style 2–3 mm
var. pulchella
          10' Corolla white, = calyx; style < 2 mm
            11. Leaves opposite; basal in a rosette; style < to = 1 mm; seeds 2–4
var. fremontii
            11' Leaves alternate; style 1–2 mm; seed generally 1
var. gracilis
      8' Corolla bell- to bowl-shaped; filaments < or = corolla tube
        12. Calyx appendages > 1/3 lobes in fruit; corolla generally marked black, blue or purple
          13. Leaves oblong to ovate, deeply 5–9-lobed, base truncate or weakly tapered
N. pedunculata
          13' Leaves oblanceolate or spoon-shaped, shallowly 3–5-lobed or toothed, base strongly tapered
2 N. spatulata
        12' Calyx appendages < 1/3 lobes in fruit; corolla unmarked
          14. Style 2–4 mm; basal leaves deeply 5–7-lobed, lobes similar, distinct, round, stalked, sinuses wide
N. heterophylla
          14' Style < 2 mm; basal leaves cut or shallowly lobed, lobes dissimilar, merging or not stalked
N. parviflora
            15. Leaves opposite below, alternate above, deeply lobed, lobes generally acute
var. parviflora
            15' Leaves opposite below and above, shallowly lobed, lobes generally obtuse
              16. Leaf glabrous to bristly, base tapered
N. parviflora var. austiniae
              16' Leaf long-hairy, base truncate or cordate
var. quercifolia

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