Section
Ponticum (24 subsections) includes: •
R. subsect. Arborea (4 species) •
R. subsect.
Argyrophylla (23 species) •
R. subsect.
Barbata (2 species) •
R. subsect. Campanulata (2 species) •
R. subsect.
Campylocarpa (4 species) •
R. subsect.
Falconera (7 species) •
R. subsect. Fortunea (39 species) •
R. subsect.
Fulgensia (2 species) •
R. subsect. Fulva (2 species) •
R. subsect.
Glischra (5 species) •
R. subsect. Grandia (9 species) •
R. subsect.
Griersoniana (one species,
R. griersonianum) •
R. subsect.
Irrorata (7 species) •
R. subsect.
Lanata (6 species) •
R. subsect.
Maculifera (6 species) •
R. subsect.
Neriiflora (19 species) •
R. subsect.
Parishia (3 species) •
R. subsect. Pontica (13 species) •
R. subsect.
Selensia (5 species) •
R. subsect.
Taliensia (20 species) •
R. subsect.
Thomsonia (7 species) •
R. subsect.
Venatora (one species,
R. venator) •
R. subsect.
Williamsiana (one species,
R. williamsianum)
Arborea Rhododendron subsect. Arborea is a subsection of section
Ponticum in
Hymenanthes consisting of 4 species of
trees native to
East Asia.
Argyrophylla Rhododendron subsect. Argyrophylla is a subsection of section
Ponticum in
Hymenanthes consisting of 23 species of
shrubss native to
East Asia. This section is distinguished by its silvery white, pale yellow or yellowish-brown hairs on the abaxial leaf surface.
Barbata Rhododendron subsect. Barbata is a subsection of section
Ponticum in
Hymenanthes consisting of 5 species of small
trees native to
East Asia.
Campanulata Rhododendron subsect. Campanulata is a subsection of section
Ponticum in
Hymenanthes consisting of 2 species of
shrubs native to
East Asia.
Campylocarpa Rhododendron subsect. Campylocarpa is a subsection of section
Ponticum in
Hymenanthes consisting of 6 species of shrubs with campanulate shaped flowers native to
East Asia.
Falconera Rhododendron subsect. Falconera is a subsection of section
Ponticum in
Hymenanthes consisting of 14 species of shrubs and trees with thick leaves that have yellow veins and red brown hairs on the underside that are native to
East Asia.
Fortunea Rhododendron subsect. Fortunea is a subsection of section
Ponticum in
Hymenanthes consisting of 37 species of shrubs or
trees native to
East Asia.
Fulgensia Rhododendron subsect. Fulgensia is a subsection of section
Ponticum in
Hymenanthes consisting of 3 species of shrubs with glossy leaves that have dark brown hairs on the underside native to
East Asia.
Fulva Rhododendron subsect. Fulva is a subsection of section
Ponticum in
Hymenanthes comprising 2 species of
shrubs native to
East Asia.
Glischrum Rhododendron subsect. Glischrum is a subsection of section
Ponticum in
Hymenanthes comprising 9 species of
shrubs native to
East Asia.
Grandia Rhododendron subsect. Grandia is a subsection of section
Ponticum in
Hymenanthes that comprises 15 species of
trees with large leaf blades covered with trichomes native to
East Asia.
Griersoniana Rhododendron subsect. Griersoniana is a subsection of section
Ponticum in
Hymenanthes that contains a single species of shrub.
Maculifera Rhododendron subsect. Maculifera is a subsection of section
Ponticum in
Hymenanthes that contains 15 species of shrubs or small trees with tomentose stems and rough bark.
Lanata Rhododendron subsect. Lanata contains 6 species of small trees found in east asia
Parishia Rhododendron subsect. Parishia is a subsection of section
Ponticum in
Hymenanthes that contains 8 species of small trees found in east asia.
Pontica Rhododendron subsect. Pontica is a subsection of section
Ponticum in
Hymenanthes consisting of 13 species of shrubs to small
trees native to North America, Europe, and
East Asia.
Selensia Rhododendron subsect. Selensia is a subsection of section
Ponticum in
Hymenanthes consisting of 8 species of shrubs to small
trees with campanulate flowers.
Taliensia Rhododendron subsect. Taliensia is a subsection of section
Ponticum in
Hymenanthes consisting of 57 species of shrubs and small
trees with their leaves covered with indumentum.
Thomsonia Rhododendron subsect. Thomsonia is a subsection of section
Ponticum in
Hymenanthes consisting of 17 species of small
trees with reddish flowers and peeling red bark native to
East Asia.
Venatora Williamsiana Rhododendron subsect. Williamsiana is a subsection of section
Ponticum in
Hymenanthes consisting of 2 species ==Pentanthera==