Hedlundia thuringiaca

Hedlundia thuringiaca
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Rosales
Family:	Rosaceae
Genus:	Hedlundia
Species:	H. thuringiaca
Binomial name
	Hedlundia thuringiaca; (Nyman) Sennikov & Kurtto
Synonyms
	List Aria thuringiaca (Nyman) Beck in Fl. Nieder-Österreich 2: 711 (1892); Pyrus firma Osborn in Gard. Chron., ser. 3, 77: 234 (1925); Pyrus pinnatifida Sm. in Engl. Bot. 33: t. 2331 (1812), nom. illeg.; Pyrus pinnatifida var. gibbsii Osborn in Gard. Chron., ser. 3, 77: 234 (1925); Pyrus thuringiaca Ilsein Fl. Mittelthüringen: 99 (1866), not validly publ.; Pyrus thuringiaca (Nyman) Ruhmer in Jahrb. Königl. Bot. Gart. Berlin 1: 232 (1881); Sorbus decurrens (Koehne) Hedl. in Kongl. Svenska Vetensk. Acad. Handl., n.f., 35(1): 48 (1901); Sorbus hybrida f. gibbsii (Osborn) Rehder in Bibliogr. Cult. Trees: 256 (1949); Sorbus hybrida var. gibbsii (Osborn) Bean in Hand-List Trees Shrubs, ed. 4: 317 (1934); Sorbus hybrida var. thuringiaca Nyman in Consp. Fl. Eur.: 241 (1879); Sorbus hybrida var. neuillyensis (Dippel) Cockerell in Amer. J. Sci. 29: 77 (1910); Sorbus neuillyensis Dippel in Handb. Laubholzk. 3: 370 (1893); Sorbus pinnatifida Düll in Ber. Bayer. Bot. Ges. 34: 58 (1961); Sorbus pinnatifida var. decurrens (Koehne) Düll in Ber. Bayer. Bot. Ges. 34: 59 (1961); Sorbus pinnatifida var. quercifolia (Hedl.) Kutzelnigg in G.Hegi, Ill. Fl. Mitt.-Eur., ed. 3, 4(2B): 376 (1995); Sorbus pinnatifida var. thuringiaca (Nyman) Düll in Ber. Bayer. Bot. Ges. 34: 58 (1961); Sorbus quercifolia Hedl. in Kongl. Svenska Vetensk. Acad. Handl., n.f., 35(1): 50 (1901); Sorbus semipinnata var. decurrens (Koehne) Kárpáti in Index Hort. Bot. Univ. Hung. 4: 84 (1940); Sorbus semipinnata var. thruringiaca (Nyman) Kárpáti in Index Hort. Bot. Univ. Hung. 4: 84 (1940); Sorbus thuringiaca (Nyman) Fritsch in A.J.R.Kerner, Sched. Fl. Exs. Austro-Hung. 7: 16 (1896); Sorbus thuringiaca subsp. boscii (Vivant ex Gamisans) Lambinon & Kerguélen in Candollea 43: 406 (1988); Sorbus thuringiaca var. decurrens Koehne in Deut. Dendrol.: 248 (1893); Sorbus thuringiaca var. subaria Rouy & E.G.Camus in G.Rouy & J.Foucaud, Fl. France 7: 20 (1901); Sorbus thuringiaca var. subaucuparia Rouy & E.G.Camus in G.Rouy & J.Foucaud, Fl. France 7: 20 (1901); ;

Hedlundia thuringiaca is a widely cultivated species of ornamental shrub.^[1] It is cultivated by grafting.

Description

It has purple-grey bark, which is smooth but begins cracking and flaking as it matures. The leaves are narrowly ovate to elliptic (in shape) 10 cm (3.9 in) long and 6 cm (2.4 in) wide. They are lobed, except at the very tip, the lobes become deeper towards the base, becoming toothed. The leaves are glossy dark green above and grey and hair underneath. In late spring, it flowers with dense clusters of 5 petaled white flowers, which are 1.2 cm (0.5 in) wide. After flowering, it produces a rounded, bright red berry which is 1 cm (0.4 in) wide.^[2]

Taxonomy

It is a diploid hybrid between Sorbus aucuparia and the diploid Aria edulis.^[3] It is rare in the wild but occurs at scattered sites across much of Europe^[4] (within Austria, Czechoslovakia, France, Germany, Great Britain, Hungary, Ireland, Romania and Switzerland,^[1]) and Turkey.^[2]

It has been introduced in Belgium and Illinois, USA.^[1]

It was first published in Memoranda Soc. Fauna Fl. Fenn. 93: 34 in 2017.^[1]

GRIN (United States Department of Agriculture and the Agricultural Research Service) accepts it as ×Hedlundia thuringiaca (Nyman) Sennikov & Kurtto.^[3]

References

^ ^a ^b ^c ^d ^e "Hedlundia thuringiaca (Nyman) Sennikov & Kurtto | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2023-09-23.
^ ^a ^b Allen Coombes Trees (2023), p. 225, at Google Books
^ ^a ^b "Sorbus ×pinnatifida". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 21 October 2023.
^ Chester, M.; Cowan, R.S.; Fay, M.F.; Rich, T.C.G. (2007). Parentage of endemic Sorbus L. (Rosaceae) species in the British Isles: evidence from plastid DNA. Botanical Journal of the Linnean Society. 154(3): 291–304.

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[Powo-1] "Hedlundia thuringiaca (Nyman) Sennikov & Kurtto | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2023-09-23.

[Coombes-2] Allen Coombes Trees (2023), p. 225, at Google Books

[grin-3] "Sorbus ×pinnatifida". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 21 October 2023.

[Chester-4] Chester, M.; Cowan, R.S.; Fay, M.F.; Rich, T.C.G. (2007). Parentage of endemic Sorbus L. (Rosaceae) species in the British Isles: evidence from plastid DNA. Botanical Journal of the Linnean Society. 154(3): 291–304.

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