Biology Reference
In-Depth Information
Palser, B.F. (1961). Studies of floral morphology in the Ericales. V. Organography and vascu-
lar anatomy in several United States species of the Vacciniaceae.
Botanical Gazette
,
123
,
79-111.
Palser, B.F., Philipson, W., & Philipson, M. (1991). Characteristics of ovary, ovule and ma-
ture megagametophyte in
Rhododendron
L. (Ericaceae) and their taxonomic significance.
Botanical Journal of the Linnean Societ
y,
105
, 289-390.
Papp, N. (2004). Nectar and nectary studies on seven
Euphorbia
species.
Acta Botanica Hun-
garica
,
46
, 225-234.
Pascarella, J.B. (1996). Reproductive ecology of
Picramnia pentandra
(Picramniaceae) in
South Florida.
Caribbean Journal of Science
,
32
, 99-104.
Passarelli, L., & Bruzzone, L. (2004). Significance of floral colour and scent in three
Solanum
sect.
Cyphomandropsis
species (Solanaceae) with different floral rewards.
Australian
Journal of Botany
,
52
, 659-667.
Pearson, H.H.W. (1909). Further observations on
Welwitschia. Philosophical Transactions of
the Royal Society of London
,
200
, 331-402.
Pellmyr, O. (1992). Evolution of insect pollination and angiosperm diversification.
Trends in
Ecology and Evolution
,
7
, 46-49.
Pennington, T.D. (2004). Sapotaceae. In: K. Kubitzki (Ed.),
The families and genera of vascu-
lar plants, flowering plants, dicotyledons:
Celastrales, Oxalidales, Rosales, Cornales,
Ericales
, volume 6 (pp. 390-421). Berlin: Springer.
Pérez, F., Arroyo, M.T.K., Medel, R., & Hershkovitz, M.A. (2006). Ancestral reconstruction
of flower morphology and pollination systems in
Schizanthus
(Solanaceae).
American
Journal of Botany
,
93
, 1029-1038.
Perret, M., Chautems, A., Spichiger, R., Peixoto, M., & Savolainen, V. (2001). Nectar sugar
composition in relation to pollination syndromes in Sinningieae (Gesneriaceae).
Annals of
Botany
,
87
, 267-273.
Petanidou, T., Goethals, V., & Smets, E. (2000). Nectary structure of Labiatae in relation to
their nectar secretion and characteristics in a Mediterranean shrub community: does flow-
ering time matter?
Plant Systematics and Evolution
,
225
, 103-118.
Peterson, R.L., Scott, M.G., & Miller, S.L. (1979). Some aspects of carpel structure in
Caltha
palustris
(Ranunculaceae).
American Journal of Botany
,
66
, 334-342.
Philbrick, C.T., & Anderson, G.J. (1992). Pollination biology in the Callitrichaceae.
System-
atic Botany
,
17
, 282-292.
Pinheiro, M., & Schlindwein, C. (1998). The nectariferous chamber of
Ipomoea cairica
(Con-
volvulaceae) and bees with long glossae as efficient pollinators.
Iheringia Serie Botanica
,
51
, 3-16.
Piovano, M., Galetto, L., & Bernardello, L. (1995). Floral morphology, nectar features and
breeding system in
Ruellia brevifolia
(Acanthaceae).
Revista Brasileira de Biologia
,
55
,
409-418.
Plowright, R.C. (1987). Corolla depth and nectar concentration: an experimental study.
Cana-
dian Journal of Botany
,
65
, 1011-1013.
Poppendieck, H.H. (2003a). Bixaceae. In: K. Kubitzki, & C. Bayer (Eds.),
The families and
genera of vascular plants, flowering plants, dicotyledons:
Malvales, Capparales and non-
betalain Caryophyllales
, volume 5 (pp. 33-35). Berlin: Springer.
Poppendieck, H.H. (2003b). Cochlospermaceae. In: K. Kubitzki, & C. Bayer (Eds.),
The fami-
lies and genera of vascular plants, Flowering plants, Dicotyledons:
Malvales, Capparales
and non-betalain Caryophyllales
, volume 5 (pp. 71-74). Berlin: Springer.
Porsch, O. (1910).
Ephedra campylopoda
C.A. Mey., eine entomophile Gymnosperme.
Berichte der deutschen botanischen Gesellschaft
,
28
, 404-412.
