Arceuthobium
Family: Santalaceae
Arceuthobium image
  • VPAP
  • Gleason & Cronquist
  • Resources
JANAS 27(2)
PLANTS: Aerial shrubs parasitic on Pinaceae, 2-25 em high, glabrous, dioecious. SHOOTS: variously colored, greenish-yellow to orange, reddish, and black, quadrangular, at least when young. LEAVES: reduced to minute scales. INFLORESCENCE: of axillary spikes. FLOWERS: decussate (sometimes whorled), short pedicellate; staminate flowers with a central nectary, the perianth segments (2-)3-4(-5), each segment bearing a sessile, circular, uniloculate anther; pistillate flowers with a single style and rounded stigma, the perianth segments 2, persistent. FRUIT: mostly 3-5 mm long, bicolored, dehiscing explosively (to 15 m); pedicels curved at maturity. NOTES: 33 spp. in U.S. and Mex., 8 in the Old World. (Greek: Arceuthos = juniper + bios-living). Hawksworth, F.G., & D., Wiens. 1972. Biology and Classification of Dwarf Mistletoes (Arceuthobium). U.S.D.A. Agricultural Handbook 401. REFERENCES: Hawksworth, Frank G. 1994. Viscaceae. J. Ariz. - Nev. Acad. Sci. Volume 27(2), 241-245.
Vascular plants of NE US and adjacent Canada
Dioecious; fls solitary or few in the axils of scale-like, connate, decussate lvs; staminate perianth 2-5-lobed; anther sessile at the middle of each lobe, opening transversely; pistillate perianth 2-lobed; berry on a short, recurved pedicel. 28, mainly of N. Amer.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Species within inventory project: Intermountain Regional Herbarium Network
Arceuthobium abietinum
Image of Arceuthobium abietinum
Arceuthobium americanum
Image of Arceuthobium americanum
Arceuthobium campylopodum
Image of Arceuthobium campylopodum
Arceuthobium cyanocarpum
Image of Arceuthobium cyanocarpum
Arceuthobium divaricatum
Image of Arceuthobium divaricatum
Arceuthobium douglasii
Image of Arceuthobium douglasii
Arceuthobium microcarpum
Image of Arceuthobium microcarpum
Arceuthobium vaginatum
Image of Arceuthobium vaginatum