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Pinus contorta subsp. bolanderi

BOLANDER'S BEACH PINE


Higher Taxonomy
Family: PinaceaeView DescriptionDichotomous Key
Common Name: PINE FAMILY
Habit: Shrub, tree, evergreen; monoecious. Stem: young crown conic; twig not grooved, resinous, generally persistent. Leaf: simple, generally alternate, sometimes in bundles or appearing +- 2-ranked, linear or awl-like; base decurrent, woody or not, persistent several years. Pollen Cone: generally < 6 cm, not woody, deciduous. Seed Cone: generally woody; bracts, scales generally persistent; scale not peltate, fused to or free from subtending bract. Seed: 2, on scale base adaxially.
Genera In Family: 10 genera, 193 species: generally northern hemisphere; many of great commercial value, supplying > 1/2 of world's timber.
eFlora Treatment Author: J. Robert Haller, Nancy J. Vivrette, & James R. Griffin, except as noted
Scientific Editor: Thomas J. Rosatti, Bruce G. Baldwin.
Genus: PinusView DescriptionDichotomous Key

Common Name: PINE
Stem: young crown conic, mature often rounded or flat; branches +- whorled in young plants; young bark smooth, mature furrowed; bud +- conic, generally resinous. Leaf: generally 2.5--35 cm, generally sessile, in bundles of (1)2--5; bundles 1 in axils of alternate, awl-like bracts, base in a sometimes deciduous, scaly sheath of bracts, generally persistent several years. Seed Cone: often whorled, generally maturing, opening 2nd year, persistent on stem or not; stalk 0 or < 16 cm; bract included, fused to scale at least basally, minute; scale tip reflexed, elongated 3--7 cm or often with a rounded or angled, often prickled knob < 3 cm. Seed: coat hard, woody or not. Chromosomes: 2n=24.
Etymology: (Latin: pine) Note: Pinus pinea L., stone pine (leaves 2 per bundle, 10--30 cm; seed cone 8--15 cm, maturing in 3 years) cultivated in Europe for over 6000 years for edible seeds (pine nuts), reportedly naturalized in SnFrB, northern ChI.
Unabridged Note: Morphological, genetic study of relationships among Pinus jeffreyi, Pinus ponderosa, and Pinus washoensis indicates that the taxa should be classified as 2 species, Pinus jeffreyi and Pinus ponderosa, and that the latter comprises three varieties: Pinus ponderosa var. pacifica (new taxon), Pinus ponderosa var. ponderosa, and Pinus ponderosa var. washoensis (new combination).
eFlora Treatment Author: J. Robert Haller & Nancy J. Vivrette
Unabridged Reference: Millar & Critchfield 1988 Madroño 35:39--53
Species: Pinus contortaView Description 


Stem: mature bark scaly, thin; trunk < 34 m (extremely variable at maturity). Leaf: 2 per bundle, 2.5--8.6 cm; sheath persistent. Seed Cone: pendent, 2--6 cm, brown; stalk +- 0; scale tip knobs angled, prickle < 6 mm.

Pinus contorta Loudon subsp. bolanderi (Parl.) Critchf.
NATIVE
Stem: trunk generally < 2 m. Seed Cone: asymmetric, closed, on stem many years.
Ecology: Pygmy forest on coastal terrace soils with clay- or hardpan; Elevation: < 250 m. Bioregional Distribution: NCo (Mendocino Co.). Note: Cone woodiest in sp. Threatened by development, off-road vehicles.
Jepson eFlora Author: J. Robert Haller & Nancy J. Vivrette
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Listed on CNPS Rare Plant Inventory

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Citation for this treatment: J. Robert Haller & Nancy J. Vivrette 2012, Pinus contorta subsp. bolanderi, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=52301, accessed on December 03, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on December 03, 2024.

Pinus contorta subsp. bolanderi
click for image enlargement
©2009 Neal Kramer
Pinus contorta subsp. bolanderi
click for image enlargement
©2009 Neal Kramer
Pinus contorta subsp. bolanderi
click for image enlargement
©2005 Dieter Wilken
Pinus contorta subsp. bolanderi
click for image enlargement
©2005 Dieter Wilken

More photos of Pinus contorta subsp. bolanderi
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Geographic subdivisions for Pinus contorta subsp. bolanderi:
NCo (Mendocino Co.).
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map of distribution 1

(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurrence).






 

Data provided by the participants of the  Consortium of California Herbaria.

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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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CCH collections by month Flowering-Fruiting Monthly Counts

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).