Taxonomy
I am afraid I don't understand this one.
It seems to be using Betula alba as a current name?
PvR
schreef in berichtnieuws
...
The french "INTA" complet classification of the Betula is a follows (copy
an paste):
Betula L. [1753, Sp. Pl. : 982] (Betulaceae) Ashburner (1980), Bean
(1950, 1 : 297-311 ; 1970, 1 : 414-434), Burte & al. (1992 : 1389-1391),
Govaerts (1996), Holub (1989), Jovet (1942), Peinado & Moreno (1989),
Schneider (1904 : 97-119), Winckler (1904) (Chamaebetula) T : B.
alba Cultivés : B. utilis D. Don et var. jacquemontii (Spach) Winckler [= B
jacquemontii Spach] à tronc très blanc, ...
- aetnensis Rafin. [1814, Giorn., 1 : 17] "etnensis" = B. pendula
- alba sensu 1 [1894, Fl. Fr. : 289], 2 [1905, Fl. Fr., 3 : 275, fig.
3319] = B. pendula 1, 2
- alba L. [1753, Sp. Pl. : 982] Ga 6 @
subsp. alba 2n = 56 Ga 6
subsp. glutinosa (Berher) Holub [1989, Folia Geobot.
Phytotax., 28 (1) : 410, 426] 2n = 56 Ga 6
subsp. nana (L.) Bonnier & Layens [1894, Fl. Fr. : 289]
º B. nana 1
subsp. pubescens (Ehrh.) Celak. [1871, Prodr. Fl. Böhm. :
128] ; ead. comb. Bonnier & Layens [1894, Fl. Fr. : 289] = B. alba
subsp. alba 1
subsp. verrucosa (Ehrh.) Celak. [1871, Prodr. Fl. Böhm. :
128] = B. pendula
- alnobetula Ehrh. [1783, Gartenkalendar, ed. Hirschfeld, 2 : 192] (b.)
º Alnus alnobetula subsp. alnobetula
- alnus L. [1753, Sp. Pl. : 983] = Alnus glutinosa
var. a glutinosa L. [1753, Sp. Pl. : 983] (b.) º
Alnus glutinosa
var. b incana L. [1753, Sp. Pl. : 983] (b.) º Alnus
incana
- alnus Vill [1785, Fl. Vapinc. : 70] [nom. illeg.], non L. [1753, Sp.
Pl.] = ?
- ×aschersoniana Hayek [1908, Fl. Steierm. : 105] = B. ×aurata 3
- ×aurata Borckh. [1790, Vers. Forstbot. Beschr., 1 : 498] (B. alba
subsp. alba × pendula) 2n = 42, 56 4*
- borysthenica Klokov [1947, J. Bot. Acad. Sci. Ukr., 3 (1-2).: 18] =
B. alba subsp. glutinosa ? 4*
- callosa Notø [1901, Tromso Mus, Arskrift, 23 : 158] = B. alba subsp.
alba 4*
- carpatica Waldst. & Kit. ex Willd. [1805, Sp. Pl., 4 (1) : 464] = B.
alba subsp. glutinosa
- celtiberica Rothm. & Vasc. [1940, Bol. Soc. Brot., Sér. 2, 14 : 147]
+ Ga (64) 4, 6
- concinna Gunnarsson in Lindman [1918, Svensk Fanerogampfl. : 202] =
B. alba subsp. alba
- cordata Loisel. [1810, Not. : 139] (b.) º Alnus cordata
- coriacea Gunnarsson in Lindman [1918, Svensk Fanerogampfl. : 201], non
Pampanini [1915, Nuov. Giorn. Bot. Ital., n. s., 22 ; 274] = B. alba
subsp. glutinosa
- crispa Aiton [1789, Hort. Kew., ed. 1, 3 : 339] = Alnus alnobetula
- ×fennica Dörfler [1902, Herb. Norm., 44 : 106] (B. nana × pendula)
- glutinosa Wallr. [1822, Sched. Crit. : 497], p.p., [nom. illeg.], non
(L.) L. [1759] = B. alba subsp. glutinosa
- gummifera Bertol. [1855, Fl. Ital., 10 : 229] = B. pendula
- ×hybrida Bechstein [1799, Arch. Bot. (Roemer), 2 : 74], non Blom [1786,
Vet. Akad. Nya Handl. Stockh., 7 : 186, tab. 6, fig. 13] = B. ×aurata
- incana Chaix [1785, Pl. Vapinc. : 70] [nom. illeg.], non L. fil.. [1781,
Suppl. : 417] = ?
- incana (L.) Pallas [1784], non L. fil.. [1781, Suppl. : 417] = Alnus
incana
- ×intermedia (Hartman) Thomas ex Gaudin. [1830, Fl. Helv., 6 : 176]
(B. alba subsp. alba × nana) 3
- laciniata Blom [1786, Vet. Akad. Nya Handl., 7 : 156, tab. 6, fig. 13]
= B. alba subsp. alba
- latifolia Tausch [1838, Flora (Regensb.), 21 ; 751] = B. alba subsp.
alba
- lobulata Kanitz [1863, Linnaea, 32 : 351] = B. pendula
- murithii Gaudin [1830, Fl. Helv., 6 : 179] = B. alba subsp. glutinosa
- nana L. [1753, Sp. Pl. : 983] 2n = 28 Ga 2, 3, 4, 5, 6
- odorata Bechstein [1797, Forstbot. : 294] = B. alba subsp. glutinosa
- ovata Schrank [1789, Baier. Fl., 1 : 419] = Alnus alnobetula subsp.
alnobetula
- oxycoviensis Besser [1809, Prim. Fl. Galic., 2 : 289] = B. pendula
- palmata Borckh. [1800, Handb. Forstb., 1 : 500] = B. alba subsp. alba
- palustris Salisb. [1796, Prodr. : 395] [nom. illeg.] º Alnus
glutinosa
- pendula Roth [1788, Tent. Fl. Germ., 1 : 405] 2n = 28 Co, Ga 4,
6
- ×plettkei Junge [1905, Verh. Nat. Ver. Hamb., 13 : 89] = B. ×fennica
3
- ×pseudocarpatica Simonk. [1887, Enum. Fl. Transs. : 491] = B. ×aurea
- pubescens Ehrh. [1791, Beitr. Naturk., 6 : 98] = B. alba subsp. alba
2, 3, 4, 5
proles murithii (Gaudin) Rouy [1912, Fl. Fr., 13 : 519]
= B. alba subsp. glutinosa
subsp. carpatica (Willd.) Ascherson & Graebner [1898, Fl.
Nordostd. Flachl. : 253] = B. alba subsp. glutinosa 4
subsp. celtiberica (Rothm. & Vasc.) Rivas Martínez [1971,
Trab. Dep. Bot. Fisiol. Veg., 3 : 78] º B. celtiberica
4*
subsp. glutinosa Berher in L. Louis [1887, Fl. Vosges, éd.
2 : 205] (b.) º B. alba subsp. glutinosa
subsp. murithii (Gaudin) Nyman [1889, Consp. Fl. Eur.,
Suppl. 2 (1) : 282] = B. alba subsp. glutinosa
subsp. odorata (Bechstein) E.F. Warburg [ ] = B. alba
subsp. glutinosa
subsp. suecica Gunnarsson [ ] = B. alba subsp. alba
var. carpathica (Willd.) Koch [1838, Syn. Fl. Germ., ed. 1
: 662] = B. alba subsp. glutinosa 3
var. murithii (Gaudin) Gremli [1893] = B. alba subsp.
glutinosa 3
- ×pubescentoides Léveillé [1915, Bull. Géogr. Bot., sér. 4, 25 : 43]
[nom. illeg.] ׺ B. ×intermedia
- ×rhombifolia Tausch [1838, Flora (Regensb.), 38 : 752] = B. ×aurata
- ×seidliana Missbach [ ] = B. ×intermedia
- subarctica Orlova [1956, Fl. Murm. Prov., 3 : 124, 365] = B. alba
subsp. alba
- tomentosa Reitter & Abel [1803, Abh. Beschr. Holzarten, 1 : 17] = B.
alba subsp. alba
- tundrarum Perfiljev [1963, Bot. Zhurn., 58 : 1139] = B. nana subsp.
alba
- verrucosa Ehrh. [1791, Beitr. Naturk., 5 : 161] = B. pendula 3, 5
- virgata Salisb. [1796, Prodr. : 395] [nom. illeg.] º B. alba subsp.
alba
- viridis Chaix [1785, Pl. Vapinc. : 70] ; Chaix in Vill. [1786, Hist. Pl.
Dauph., 1 : 374] = Alnus alnobetula subsp. alnobetula
BETULACEAE : Alnus, Betula
"Iris Cohen" escribió en el mensaje
...
I am still trying to find the correct classification for Betula 'Trost's
Dwarf.' Somebody said it depends on whether the leaves are fuzzy. Well,
let me tell you the entire leaf, petiole, & twig are fuzzier than a peach.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the
oncoming
train."
Robert Lowell (1917-1977)
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