anaphalis


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pearly everlasting

Yellow and white ball shaped flowers. Leaves are fuzzy underneath. Whole plant useable. Astringent, expectorant, relaxant, used for diarrhea, colds, flu, throat and lungs.
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Response of Epilobium and Anaphalis to increased nitrogen (N) and phosphorus (P) levels was evaluated in greenhouse-grown plants to assess whether either nutrient was limiting to plants colonizing the Pumice Plains and to evaluate any differential response between the two species to higher nutrient levels.
The mycorrhizal status of roots of Epilobium and Anaphalis were determined from roots collected in August 1986 from adults at the clear-cut site at Bear Meadow and from plants at least 1 yr old growing on the Pumice Plains.
Both species had a midday decline in conductance as water potentials approached diurnal minima, but Anaphalis always had higher leaf conductance than Epilobium.
In contrast, Anaphalis had a much sharper decline in leaf conductance beginning around -1.
When N alone was added to seedlings potted in pyroclastic material, there was a 31-fold increase in plant dry weight for Anaphalis and a 41-fold increase for Epilobium; the response to N addition by Epilobium was significantly higher than that of Anaphalis (P [less than] 0.
After 2 wk, Anaphalis had higher allocation to roots, more true leaves and longer roots than Epilobium.
The osmotic potentials at full saturation and turgor loss points of Anaphalis and Epilobium fall within the range of mesophytic herbaceous species (Larcher, 1980), and field measurements of water potential on hot, dry summer days were usually above -1.
Although the level of drought tolerance of Anaphalis and Epilobium was similar, their water use characteristics were substantially different.
In the dry-down experiment, the decline in leaf conductance was more abrupt and occurred closer to the turgor loss point in seedlings of Anaphalis compared to Epilobium, similar to the relationship between conductance and water potential measured in the field on adults.
The less conservative water-use strategy but similar level of drought tolerance of Anaphalis compared to Epilobium suggests that seedlings of Anaphalis would be more susceptible to drought-induced mortality during the 1st few weeks of growth, which is contrary to the [TABULAR DATA OMITTED] [TABULAR DATA OMITTED] findings of Wood and del Moral (1988) and Wood and Morris (1990).
1992; Nuhn, 1987) are also a constraint to growth, and growth response by both Anaphalis and Epilobium to added N supports this hypothesis.
From the results of this study, it is unclear whether or not there is a difference in N limitation between Anaphalis and Epilobium growing in pyroclastic material.