hemiparasite

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hemiparasite

[¦he·mē′par·ə‚sīt]
(ecology)
A parasite capable of a saprophytic existence, especially certain parasitic plants containing some chlorophyll. Also known as semiparasite.
References in periodicals archive ?
capitata being a hemiparasite must have a 2-5-fold transpiration rate higher than its host because it must compete with the host branches for water and/or nutrient [8].
When a different life-form was reported for a species, we translated it back to Raunkiaer's original system: aerophytes, epiphytes and hemiparasites were considered phanerophytes; cacti and succulent plants were considered phanerophytes or chamaephytes, depending on the size of the adult plant; climbers were reclassified as phanerophytes, chamaephytes, or therophytes, depending on their ability to survive the dry season.
In a controlled greenhouse study of another rare hemiparasite, Schwalbea americana L.
The population biology of annual grassland hemiparasites. I.
In the collections of botanical materials we registered the following data: habit (tree, small tree, bush, subshrub, herb, vine, epiphyte, liana, hemiparasite); presence of flowers, fruits, latex and dispersal syndromes, according to fruit morphology.
Phoradendron juniperinum are autotrophic hemiparasites (Kuijt 1969; Calder and Bernhardt 1983; Lei 1999), but must acquire water and mineral nutrients from its J.
Transfer of pyrrolizidine and quinolizidine alkaloids to Castilleja (Scrophulariaceae) hemiparasites from composite and legume host plants.
Variation in timing of defoliation of the hosts did not cause significant differences in root biomass of the hemiparasites between the treatments (F = 0.602, df = 3, P = 0.618).
We compare in vivo gas-exchange data and in vitro RUBISCO activity for a holoparasite (Orobanche corymbosa), a hemiparasite (Pedicularis canadensis), and a nonparasite (Antirrhinum majus) in the family Scrophulariaceae.
wightii is a hemiparasite and therefore capable of photosynthesis, it is very difficult to grow this species without a host (personal observation).