Pinus torreyana subsp. insularis

J. R. Haller

Syst. Bot. 11: 45. 1986.

Common names: Island Torrey pine
EndemicConservation concern
Treatment appears in FNA Volume 2.

Trees 10 (–15) m in native stands; mature crown of sheltered trees broader than tree height, compact in natural sites. Seed-cones broader than long, mostly over 13.5cm; umbos mostly more than 6mm, whole umbo curved outward. Seeds to 14mm wide, averaging over 11mm, brown to dark-brown with darker mottling.


Habitat: Dry fogbelt zone, ravines and low ridges
Elevation: 130–180m

Discussion

Pinus torreyana subsp. insularis occurs naturally only on Santa Rosa Island, California.

Of conservation concern.

Selected References

None.

Lower Taxa

None.
resinous +
dome--shaped +
Robert Kral +
J. R. Haller +
redbrown;purple-red +
dark-brown +  and brown +
1.6 cm16 mm <br />0.016 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
spreading-ascending +
candelabra-like +
pale-brown +
conspicuous +
0 cm0 mm <br />0 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Island Torrey pine +
yellow;redbrown +
13.5 cm135 mm <br />0.135 m <br /> (?) +
broader than long +
rounded +  and flattened +
130–180m +
sheathed +  and sessile +
rounded +, 2-3-angled +  and terete +
Dry fogbelt zone, ravines and low ridges +
arranged +  and fascicles +
gray-green +
curved +  and straight +
persisting +
15cm;30cm +
3 (?) +  and 4 (?) +
scale-like +
2 cm20 mm <br />0.02 m <br /> (?) +
0 cm0 mm <br />0 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not winged +  and 2-winged +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
curved-tipped +
elongate +
fibrous;woody +
arranged +  and overlapping +
persistent +
white-fringed +
flattened +
pliable +  and woody +
relatively thin;strongly thickened +
grouped +  and solitary +
long-persistent +
wingless +, winged +, stalked +  and sessile +
persistent +
pendent;more or less erect +
obovoid +
0 cm0 mm <br />0 m <br /> (?) +  and 1.4 cm14 mm <br />0.014 m <br /> (?) +
persistent +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
reduced;well-defined short +
Endemic +  and Conservation concern +
4 cm40 mm <br />0.04 m <br /> (?) +
extended +
Apinus +, Strobus +  and Caryopitys +
Pinus torreyana subsp. insularis +
Pinus torreyana +
subspecies +
decurrent +  and elongate +
broader than tree height +
gray-brown +  and greenish +
oblique-tipped +
reduced +
0 cm0 mm <br />0 m <br /> (?) +  and 1.5 cm15 mm <br />0.015 m <br /> (?) +
5 +  and 3 +