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Lonicera - Honeysuckle
by Steven D. Glenn
Not peer reviewed
Last modified: 03/07/2006
Nomenclature
Lonicera L., Sp. Pl. 173. 1753. Gen. Pl., ed.5, 80. 1754. Caprifolium Mill., Gard. Dict. Abr. ed. 4. 1754, nom. illeg. (Art. 52.1). Euchylia Dulac, Fl. Hautes-Pyrénées 463. 1867, nom. illeg. (Art. 52.1). LECTOTYPE: Lonicera caprifolium L. designated by Britton & Brown (1913), or Lonicera xylosteum designated by Rehder (1949).
Xylosteon Mill., Gard. Dict. abr. ed. 4. 1754. TYPE: Xylosteon pyrenaicum (L.) Dum. Cour. (=Lonicera pyrenaica L.).
Periclymenum Mill., Gard. Dict. abr. ed. 4. 1754. TYPE: Not designated.
Chamaecerasus Duhamel, Traite Arb. Arbust. 1: 153. 1755. Chamerasia Raf., Ann. Gen. Sci. Phys. 6: 83. 1820. TYPE: Not designated.
Phenianthus Raf., Ann. Gen. Sci. Phys. 6: 83. 1820. TYPE: Unknown.
Nintooa Sweet, Hort. Brit. (Sweet) (ed. 2), 258. 1830. TYPE: Unknown.
Key to the species of Lonicera
1. Woody vines...2
1.
Shrubs...4
2. Flowers and fruits sessile; all leaves petiolate...Lonicera
japonica
2. Flowers and fruits stalked; upper leaves connate...3
3. Corolla strongly bilabiate, less than 2.7 cm in length; all
leaves connate...Lonicera
dioica
3. Corolla scarcely bilabiate, greater than 2.7 cm in length;
some lower leaves petiolate...Lonicera
sempervirens
4. Flowers and fruits sessile...Lonicera
maackii
4. Flowers and fruits stalked...5
5. Flowers appearing before the leaves expand...Lonicera
fragrantissima
5. Flowers appearing after the leaves expand...6
6. Style glabrous...Lonicera
canadensis
6. Style hirsute...7
7. Corolla strongly bilabiate...Lonicera
xylosteum
7. Corolla scarcely bilabiate...8
8. Leaves glabrous beneath; peduncles 1.5 to 2.5 cm...Lonicera
tatarica
8. Leaves hairy beneath; peduncles 0.5 to 1.5 cm...Lonicera
morrowii
(Note: Lonicera ×bella, the hybrid
between L. tatarica and L. morrowii combines characters of both
species and is very difficult to separate from its parents).
List of Lonicera Species
- Lonicera canadensis
- Lonicera caprifolium - excluded species
- Lonicera dioica
- Lonicera fragrantissima
- Lonicera japonica
- Lonicera maackii
- Lonicera morrowii
- Lonicera periclymenum - excluded species
- Lonicera purpusii - excluded species
- Lonicera sempervirens
- Lonicera tatarica
- Lonicera x bella
- Lonicera xylosteum