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Hypericum balearicum

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Malpighiales

Familia: Hypericaceae
Genus: Hypericum
Section: Hypericum sect. Psorophytum
Species: Hypericum balearicum

Hypericum balearicum L., 1753

Hypericum verrucosum Salisb., Prodr. Stirp. Chap. Allerton: 369 (1796), nom. superfl.
Psorophytum undulatum Spach, Ann. Sci. Nat., Bot., sér. 2, 5: 360 (1836), nom. superfl.
Psorophytum balearicum (L.) Y.Kimura in T.Nakai & M.Honda, Nov. Fl. Jap. 10: 22 (1951).
Ascyrum glandulosum Moench, Suppl. Meth.: 42 (1802).
Hypericum balearicum var. ochroleucum F.Hermann, Verh. Bot. Vereins Prov. Brandenburg 54: 242 (1914).

Native distribution areas:
Primary references

Linnaeus, C. 1753. Species Plantarum. Tomus II: 783. Reference page.


Govaerts, R. et al. 2022. Hypericum balearicum in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2022 Jan 13. Reference page.
Hassler, M. 2022. World Plants. Synonymic Checklist and Distribution of the World Flora. . Hypericum balearicum. Accessed: 13 Jan 2022.
International Plant Names Index. 2022. Hypericum balearicum. Published online. Accessed: Jan 13 2022.

Vernacular names
Deutsch: Balearen-Johanniskraut
español: hipérico de las Baleares
Hypericum balearicum is a species of flowering plant in the family Hypericaceae, native to Spain's Balearic Islands. It is the only species in the section Psorophytum.[1]

Hypericum balearicum is a shrub or small tree 0.6–2 m (2 ft 0 in – 6 ft 7 in) tall, usually forming a rounded bush with erect or ascending branches. Its stems are glandular and warty, yellow-green when young, becoming reddish-brown as it ages. The leaves are sessile, up to 15 mm (0.59 in) long and 7 mm (0.28 in) broad. The leaves have rounded tips, undulate margins, and broadly cuneate to rounded bases. They are leathery, with prominent warty glands, and paler underneath. The flowers are 15–40 mm (0.59–1.57 in) across with 5 golden yellow petals (rarely pale yellow), rounded sepals, with involucre-like bracts. The petals are oblong with rounded tips, 10–20 mm (0.39–0.79 in) long, and 4–9 mm (0.16–0.35 in) across.[2]

Its warty stems and leaves and its involucre-like bracts distinguish it from other species of Hypericum.[2]
Distribution and habitat

H. balearicum is confined to the Balearic Islands (Mallorca, Menorca, Ibiza, Cabrera, and Dragonera). It is common on Mallorca but rare on the other islands. It has been introduced to Italy.[2] It is found in dry woods and calcareous rocky habitats, from 30–1,200 m (98–3,937 ft).[2]

"Hypericum sect. Psorophytum (Spach) Nyman". Retrieved 2018-10-25.

"Hypericum balearicum L." Retrieved 2018-10-25.

California Flora Nursery
J.D. Curtis and N.R. Lersten, "Internal secretory structures in Hypericum (Hypericaceae): H. perforatum L. and H. balearicum L.", New Phytologist, volume 114, issue 4, pages 571-580, April 28, 2006.

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