A new nomenclatural combination in Malva L. (Malvaceae) [Nueva combinación nomenclatural ein Malva L. (Malvaceae)]
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A new nomenclatural combination in Malva L. (Malvaceae) [Nueva combinación nomenclatural ein Malva L. (Malvaceae)]

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ABSTRACT: The name Lavatera x columbretensis, recently proposed for a hybrid growing in the Columbretes Archipelago (Castellón, E of Spain), is transferred to Malva. Additional data on nomenclature of other related taxa of ‘L. sect. Anthema’ and ‘L. sect. Axolopha’, are also reported.
RESUMEN: Se transfiere al género Malva el nombre Lavatera x columbretensis, recientemente descrito para un híbrido encontrado en el archipiélago de las Columbretes (Castellón). Además, se presentan datos complementarios sobre la nomenclatura de otros táxones de ‘L. sect. Anthema’ y ‘L. sect. Axolopha’, con él relacionados.

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Publié le 01 janvier 2011
Nombre de lectures 25
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Flora Montiberica 48: 3-6 (VI-2011). ISSN 1138-5952


A NEW NOMENCLATURAL COMBINATION
IN MALVA L. (MALVACEAE)


Ana JUAN & Manuel B. CRESPO
CIBIO, Instituto de la Biodiversidad. Universidad de Alicante. Apartado 99.
E-03080 Alicante. E-mail: ana.juan@ua.es, crespo@ua.es



SUMMARY: The name Lavatera  columbretensis, recently proposed for a hybrid
growing in the Columbretes Archipelago (Castellón, E of Spain), is transferred to
Malva. Additional data on nomenclature of other related taxa of ‘L. sect. Anthema’ and
‘L. sect. Axolopha’, are also reported. Key words: Lavatera, Malva, hybrids, Mediter-
ranean islands, Spain.

RESUMEN: Se transfiere al género Malva el nombre Lavatera  columbretensis,
recientemente descrito para un híbrido encontrado en el archipiélago de las Columbre-
tes (Castellón). Además, se presentan datos complementarios sobre la nomenclatura de
otros táxones de ‘L. sect. Anthema’ y ‘L. sect. Axolopha’, con él relacionados. Pala-
bras clave: Lavatera, Malva, híbridos, islas mediterráneas, España.




that some genera in Malvoideae (= Mal-INTRODUCTION
vaceae sensu stricto) were not monophy-
Molecular work developed within the letic as usually treated, and a recircums-
last decades on Malvales (cf. ALVER- cription was therefore needed. Malva L.
SON & al., 1998, 1999; BAYER & al., and Lavatera L. are some of these genera.
1999) showed that some of the families in In the present contribution, the posi-
that order were not monophyletic as tradi- tion of Lavatera  columbretensis, a hy-
tionally defined. Consequently, a new brid between L. arborea L. and L. mauri-
wider circumscription of Malvaceae was tanica Durieu described from the Colum-
proposed to include other groups usually bretes Archipelago (JUAN & CRESPO,
treated as independent families, such as 2009), is revised according to recent mo-
Berryaceae Doweld, Bombacaceae lecular findings (cf. ESCOBAR & al.,
Kunth, Byttneriaceae R. Br., Dombeya- 2009), and consequently it is transferred
ceae Desf., Helicteraceae J. Agardh, to Malva.
Sparmanniaceae J. Agardh, Sterculiaceae
Salisb. or Tiliaceae Juss. All these are RESULTS AND DISCUSSION
currently accepted at subfamily rank un-
RAY (1995) showed that species of der diverse names (cf. BAYER & KU-
BITZKI, 2003; STEVENS, 2008). Malva and Lavatera fall intermingled in
two different clades, the so-called ‘Lava-Similarly, further molecular studies
(cf. RAY, 1995, FUERTES & al., 2003, teroid clade’ and ‘Malvoid clade. Both
can be consistently defined by fruit fea-TATE & SIMPSON, 2003; ESCOBAR &
al., 2009; among others) demonstrated tures better than by epicalyx connation.
3 A new nomenclatural combination in Malva

The former clade includes the true Lava- AN & al., in prep.).
tera species (the type being L. trimestis
L.), plus taxa of Malva sect. Bismalva Nomenclatural data and synonymy
(Medik.) Dumort. The latter clade groups
As a complement to data reported by the true Malva species (the type being M.
MOLERO & MONTSERRAT (2005), sylvestris L.), plus other taxa formerly
the nomenclature and synonymy of the referred to Lavatera, namely L. sect. An-
Valencian species of Lavatera sect. An-thema (Salisb.) DC. and L. sect. Axolopha
thema and L. sect. Axolopha DC., when DC. In a similar way, ESCOBAR & al.
transferred to Malva is as follows: (2009) found congruent relationships bet-
ween both groups, and also obtained that
1. Malva arborea (L.) Webb & Berthel., ‘Lavatera mauritanica Durieu’ is a mem-
Hist. Nat. Iles Canaries 3(2) [Phytogr. ber of the Malvoid clade, sister to ‘L. ar-
Canar. 1]: 30 (1836) borea L.’, among other results.
≡ Lavatera arborea L., Sp. Pl.: 690 (1753) A first consequence of results of RAY
[basion.] ≡ Anthema arborea (L.) Medik., (1995) was transference of taxa of Lava-
Malvenfam.: 42 (1787) ≡ Althaea arborea tera in the Malvoid clade to Malva, under
(L.) Alef. in Oesterr. Bot. Z. 12: 260 (1862)
different names and combinations (RAY, ≡ Malva fastuosa Salisb., Prodr. Stirp.
1998; BANFI & al., 2006, MOLERO & Chap. Allerton: 381 (1796) [syn. subst.] ≡
MONTSERRAT, 2005; IAMONICO, M. dendromorpha M.F. Ray in Novon 8:
2010). Similarly, results of ESCOBAR & 292 (1998) [syn. subst.], nom. superfl.
al. (2009) could lead to recover neglected = Lavatera eriocalyx Steudel in Flora 39: 438
(1856) ≡ M. eriocalyx (Steudel) Molero & genera names, such as Bismalva Medik.
J.M. Monts. in Fontqueria 55: 289 (2005) or Dinacrusa (Alef.) G. Krebs, to ac-
commodate those Malva species that are
Remarks: According to MOLERO & not nested in the Malvoid clade.
MONTSERRAT (2005), the combination by
According to the above data, both pa-
WEBB & BERTHELOT (1836) was illegiti-
rents of Lavatera  columbretensis are mate, since supposedly an earlier homonym
members of the Malvoid clade and are existed: Malva arborea A. St.-Hil., Fl. Bras.
better placed in Malva. Therefore, we Merid. 1(5): 215, t. 134, f. 4 (1827). Nonethe-
less, as correctly indicated in the IPNI (2010), propose the following new nomenclatural
that name does not appear in any of the three combination:
volumes of Saint Hilaire’s Flora Brasiliae
meridionalis (1824-1833). It seems therefore Malva  columbretensis (Juan & M.B.
reasonable to accept Webb & Berthelot’s Crespo) Juan & M.B. Crespo, comb. nov.
combination as valid.
≡ Lavatera  columbretensis Juan & M.B.
Crespo in Flora Montiber. 41: 5 (2009)
2. Malva durieui Spach in Linnaea 24: [basion.] (M. arborea  M. durieui)
233 (1851) Holotypus: ESP, CASTELLÓN: Islas Colum-
≡ Lavatera mauritanica Durieu in Rev. Bot. bretes, Isla Grossa, Casernas, 31SCE0219,
Recueil Mens. 2: 436 (1847) [syn. subst.], 40 m, 18-III-1996, A. Juan (ABH 42556).
non M. mauritanica Spreng., Syst. Veg. (ed.
16) 3: 90 (1826) Remarks: This taxon has been conside-
= Lavatera davaei Cout. in Bol. Soc. Brot. 11: red a true-breeding hexaploid (2n=126),
122 (1893) = L. mauritanica subsp. davaei
to which the × could be dropped (cf. (Cout.) Cout., Fl. Portugal: 402 (1913)
http://lavateraguy.blogspot.com/). It is
obviously a highly speculative comment 3. Malva multiflora (Cav.) Soldano,
that requires further checking. We are Banfi & Galasso in Atti Soc. Ital. Sci.
currently working on that direction (JU-
4
Flora Montiberica 48: 3-6 (VI-2011). ISSN 1138-5952
A. JUAN & M.B. CRESPO
ALVERSON, W. S., B. A. WHITLOCK, R. Nat. Mus. Civico Storia Nat. Milano
NYFFELER, C. BAYER & D. A. BAUM 146(2): 230 (2005, publ. 2006)
(1999) Phylogeny of core Malvales: evi-≡ Malope multiflora Cav., Diss. 2, Secunda
dence from ndhF sequence data. Amer. J. Diss. Bot.: 85 (1786) [basion.]
Bot. 86: 1474-1486. = Lavatera cretica L., Sp. Pl.: 691 (1753) ≡
BANFI, E., G. GALASSO & A. SOLDANO Anthema cretica (L.) Medik., Malvenfam.:
(2006) Notes on systematics and taxonomy 42 (1787) ≡ Althaea cretica (L.) Alef. in
for the Italian vascular flora, I. Atti Soc. Ital. Oesterr. Bot. Z. 12: 260 (1862), nom. illeg.,
Sci. Nat. Mus. Civico Storia Nat. Milano non Weinm., Syll. Ratisb. 2: 171 (1828) ≡
146(2): 219-244 [2005 on cover]. Malva cretica (L.) Pau, Not. Bot. Fl. Españ.
BAYER, C., M. F. FAY, A. Y. DE BRUIJN, 3: 29 (1889), nom. illeg., non Cav., Diss. 5,
V. SAVOLAINEN, C. M. MORTON, K. Quinta Diss. Bot.: 280 (1788) ≡ Malva
KUBITZKI, W. S. ALVERSON & M. W. pseudolavatera Webb & Berthel., Hist. Nat.
CHASE (1999) Support for an expanded Iles Canaries 3(2) [Phytogr. Canar. 1]: 29-
family concept of Malvaceae within a recir-30 (1836) [syn. subst.] ≡ Malva linnaei
cumscribed order Malvales: a combined M.F. Ray in Novon 8: 292 (1998) [syn.
analysis of plastid atpB and rbcL DNA se-subst.], nom. superfl.
quences. Bot. J. Linn. Soc. 129: 267-303. = Lavatera empedoclis Ucria in Arch. Bot.
BAYER, C. & K. KUBITZKI (2003) Malva-[Leipzig] 1(1): 69 (1796)
ceae. In: KUBITZKI, K. & C. BAYER = Lavatera neapolitana Ten., Fl. Napol.
(eds.), The families and genera of vascular Prodr. 1: LXII (1811-15) & 2: 113, Tav.
plants. Flowering plants, dicotyledons: Mal-LXV (1820)
vales, Capparales, and non-betalain Caryo-= Malva willkommiana Scheele in Linnaea 21:
phyllales 5: 225-311. Springer. Berlin. 570 (1848)
ESCOBAR, P., P. SCHÖNSWETTER, J.
FUERTES, G. NIETO & G. M. SCHNE-4. Malva subovata (DC.) Molero & J.M.
EWEISS (2009). Five molecular markers
Monts. in Fontqueria 55: 288 (2005) reveal extensive morphological homoplasy
≡ Lavatera subovata DC., Prodr. 1: 439
and reticulate evolution in the Malva alli-
(1824) [basion.] ance (Malvaceae). Mol. Phylogenet. Evol.
= L. maritima Gouan, Obs. Bot.: 46 (1773) ≡
50: 226-239.
Axolopha maritima (Gouan) Alef. in Oes-
FUERTES, J., P. A. FRYXELL & R. K. JAN-
terr. Bot. Z. 12: 259 (1862) ≡ Malva mari- SEN (2003) Phylogenetic relationships

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