The Jepson Manual: Higher Plants of California

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

Names are linked to treatments from the Manual


Key to CYMOPTERUS

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

  1. Rays ± 0 (umbels dense, spheric); bractlets 0 or poorly developed
 
    2. Leaf minutely hairy or roughened; bracts conspicuous, fused below; fruit glabrous
C. cinerarius
    2' Leaf glabrous; bracts 0; fruit hairy
 
      3. Leaf round, ternate
C. ripleyi
      3' Leaf oblong-ovate, ternate–2-pinnately or 2-pinnately dissected
 
        4. Plant sessile on taproot; fruit wings unequal
C. deserticola
        4' Plant with leafless stalk above taproot; fruit wings subequal
C. globosus
  1' Rays ± developed (umbels open to ± dense, not spheric); bractlets evident
 
    5. Plant not woody; corolla purplish; leaf simple to 2-pinnately dissected or compound, lobes, segments, or leaflets wider than linear
 
      6. Bracts 0; leaf round-reniform, ternate
C. gilmanii
      6' Bracts conspicuous, scarious, veiny; leaf oblong-ovate, 1–2-pinnate or -ternate
 
        7. Bracts and bractlets greenish or purplish, with many green or purple veins; pedicels < 1 mm
C. multinervatus
        7' Bracts and bractlets white, with 1–5 green or white veins; pedicels 3–8 mm
C. purpurascens
    5' Plant woody at base; corolla ± yellow or white; leaf finely dissected, segments generally ± linear
 
      8. Leaf finely hairy; corolla white; umbels ± dense
C. aboriginum
      8' Leaf glabrous; corolla ± yellow; umbels open
 
        9. Rays generally unequal; calyx lobes persistent; bractlets generally < mature pedicels
C. terebinthinus
          10. Leaf blade ± as long as wide; Klamath Ranges, High Cascade Range, High Sierra Nevada
var. californicus
          10' Leaf blade much longer than wide; c East of Sierra Nevada, White and Inyo Mountains
var. petraeus
        9' Rays subequal; calyx lobes 0; bractlets > mature pedicels
C. panamintensis
          11. Leaf segments not crowded, 3–20 mm, flexible
var. acutifolius
          11' Leaf segments ± crowded, 1–5 mm, rigid
var. panamintensis


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