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Key to HesperocyparisView taxon page for Hesperocyparis
(For a list of species in Hesperocyparis, use the above link.) Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots. 1. Ultimate 2 orders of shoots or branches in 1 plane; large shrub; resin copious, sticky when fresh ..... H. macnabiana 1' Ultimate 2 orders of shoots or branches in 3-dimensions; generally tree (except generally Hesperocyparis forbesii); resin not copious, not sticky 2. Leaf glands or pits on ultimate branches, resin on leaf  Organ arising from a stem, generally composed of a stalk (petiole) and a flat, expanded, green, photosynthetic area (blade); distinguished from a leaflet by the presence in its axil of a bud, branch, thorn, or flower; sometimes with lateral, basal appendages (stipules); either simple (toothed, lobed, or dissected but not divided into leaflets) or compound (divided into leaflets). glands 0 or not 3. Resin ± 0 on leaf glands on ultimate branches; PR 4. Multi-trunked shrub to small tree; leaf not glaucous, foliage not gray-green ..... H. forbesii 3' Resin generally on leaf glands on ultimate branches; n of SW 5. Ultimate branches < 1 mm diam; seed cones generally < 20 mm diam; KR, CaRH, n SNH, MP ..... H. bakeri 2' Leaf glands or pits ± 0 on ultimate branches, resin on leaf glands 0 (except Hesperocyparis sargentii in Santa Barbara Co.) 6. Crown asymmetric  Not divisible into identical or mirror-image halves. , often open, flat-topped to widely conic in age; seed cones 20–32(38) mm; outside native range widely planted, naturalized ..... H. macrocarpa 6' Crown symmetric, often dense, generally pyramidal in age; seed cones (10)12–27(35) mm; outside native range not widely planted, not naturalized 7. Foliage dull, dusty to gray-green, glaucous or not; on serpentine; NCoR, SnFrB, SCoR ..... H. sargentii 7' Foliage bright to dark green, not glaucous; not on serpentine; NCo, CCo, SnFrB 8. Plant 1–2 m on sterile soil, 10–20(50) m on rich soil; foliage dark dull green; seed not glaucous; s NCo (Mendocino, Sonoma cos.) ..... H. pygmaea 8' Plant 6–10(15) m; foliage yellow-green or light bright to deep green; seed glaucous or not; CCo, SnFrB 9. Plant 5–7 m; seed cones (10)14–20 mm; ultimate branches 0.8–1.1 mm diam; CCo (Monterey Peninsula) ..... H. goveniana 9' Plant 6–10(15) m; seed cones 16–30(35) mm; ultimate branches 0.9–1.2 mm diam; SnFrB (Santa Cruz Mtns) ..... H. abramsiana
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