Arceuthobium campylopodum subsp. littorum

(Hawksworth

Wiens & Nickrent) Nickrent, Phytoneuron 2012-51: 10. 2012

Common names: Coastal dwarf mistletoe
Endemic
Basionyms: Arceuthobium littorum Hawksworth
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.

References

None.

Lower Taxa

No lower taxa listed.