Cupressus bakeri Jeps.

Tree: evergreen; erect; 30.5 m maximum height; monoecious. Trunk: 1 m maximum diameter. Bark: grey, or red; divided in plates, or smooth – scaly. Crown: rather open; columnar to narrowly or widely conical (pyramidal). Branches: ascending, horizontal, or drooping. Ultimate branchlets: 0.5–1.3 mm wide; 5–20 mm long; arranged 3-dimensionally; quadrangular in cross-section.

 

Leaves: only adult leaves on adult plants; scaly. Scale leaves: 1–2.4 mm long; 0.4–1.3 mm wide; arranged oppositely; bright green, or green with coating (somewhat bluish); closely appressed; only one type of leaves (no differentiation in lateral and facial leaves = monomorphic); tip acute; with conspicuous glands; with, or without white resin; dorsal side keeled; tip curved inwards.

 

Male cones: 2–3 mm long; 2–2.5 mm wide; solitary; 8–12 male cone scales; 4–6 male cone scale whorls; oblong; yellow or bright brown. Male cone scales: arranged oppositely; 3–5 pollen sacs per male cone scale.

 

Female cones: 10–20 mm long; 10–20 mm wide; 4–8 cone scales; globose; cone-like (open after maturity); woody; not disintegrating after maturity; bright, or dark; young cones greenish. Female cone scales: arranged oppositely; inserted on different levels in mature cones; without several small additional cone scales on the female cone; tip blunt; with small dorsal umbo; umbo more or less in the centre. Columella: absent.

 

Seeds: 3–4.5 mm long; 2–4 mm wide; 40–85 seeds per cone; bright – middle brown; 6–20 seeds per female cone scale; flattened; not tubercled; with, or without conspicuous hilum. Seed wings: 0.8–1.2 mm wide; 2 (almost) equal wings.

 

Supplement: maturity in the second year; 3–4 cotyledones; 22 chromosomes (2n). Cultivation: cultivated in Germany; cultivated outdoor in the Ruhr Area (hardiness zone 7); Distribution: North America: USA. IUCN Red List: vulnerable. Synonyms: Cupressus bakeri Jeps. ssp. typica C. B. Wolf, Cupressus bakeri subsp. matthewsii C.B. Wolf, Cupressus macnabiana A. Murray bis var. bakeri (Jeps.) Jeps. Common names: Bakers Cypress (ENG), Modoc Cypress (ENG), Modoc-Zypresse (GER), Siskiyou Cypress (ENG).