A N F Keys
1 Parasites on Platanus (Salix, Alnus, Populus); shoot internodes mostly > 40 mm long; blades mostly 5-veined, 30−75 mm long; staminate spikes 30−50 mm long, typically with 4 or 5 clusters of flowers; berries subspheric, 6−8 mm long; flowering late winter to early spring .. Phoradendron serotinum subsp. macrophyllum [pics]
1' Parasites on Quercus; shoot internodes 15−40 mm long, blades mostly 3-veined, 15−40 mm long; staminate spikes to 22 mm long, typically with 2 or 3 clusters of flowers; berries mostly broadly ovoid, 3−4 mm long; flowering mid-summer to late summer .. Phoradendron villosum [pics]
The text of the above keys used with permission from
A Naturalist's Flora of the Santa Monica Mountains and Simi Hills, California
© Copyright
Barry A. Prigge and Arthur C. Gibson
2013