Arceuthobium campylopodum subsp. littorum

(Hawksworth
Wiens & Nickrent) Nickrent, Phytoneuron 2012-51: 10. 2012.
Common names: Coastal dwarf mistletoe
Endemic
Basionym: Arceuthobium littorum Hawksworth Wiens & Nickrent, Novon 2: 206. 1992
Treatment appears in FNA Volume 12. Treatment on page 432. Mentioned on page 429, 430.

Plants usually forming witches' brooms. Stems olive green, or brown, 8–12(–20) cm; third internode 10–15(–20) × 2–3.5(–5) mm, dominant shoot 2–5 mm diam. at base. Staminate flowers 3 mm diam.; petals 4. Fruits 4–5 × 3 mm.


Phenology: Flowering Aug–Sep; fruiting Sep–Oct.
Habitat: Closed-cone pine forests.
Elevation: 0–300 m.

Discussion

Meiosis occurs in July, with fruits maturing 14 months after pollination.

Subspecies littorum parasitizes Pinus muricata and P. radiata, and occasionally P. contorta in Alameda, Mendocino, and Monterey counties. It has the largest shoots among the 13 subspecies of A. campylopdum.

Selected References

None.

Lower Taxa

None.

Daniel L. Nickrent +
(Hawksworth +
Arceuthobium littorum +
Coastal dwarf mistletoe +
0–300 m. +
Closed-cone pine forests. +
Flowering Aug–Sep +  and fruiting Sep–Oct. +
Wiens & Nickrent) Nickrent, Phytoneuron +
Razoumofskya campylopoda +
Arceuthobium campylopodum subsp. littorum +
Arceuthobium campylopodum +
subspecies +