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Hypericum balearicum

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Species of flowering plant in the St John's wort family Hypericaceae

Hypericum balearicum
Hypericum balearicum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Section: Hypericum sect. Psorophytum
(Spach) Nyman
Species: H. balearicum
Binomial name
Hypericum balearicum
L.

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.

Description

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.

Its warty stems and leaves and its involucre-like bracts distinguish it from other species of Hypericum.

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. It is found in dry woods and calcareous rocky habitats, from 30–1,200 m (98–3,937 ft).

References

  1. "Hypericum sect. Psorophytum (Spach) Nyman". hypericum.myspecies.info. Retrieved 2018-10-25.
  2. ^ "Hypericum balearicum L." hypericum.myspecies.info. Retrieved 2018-10-25.
  • California Flora Nursery Archived 2011-10-06 at the Wayback Machine
  • 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.
Hypericum
List of species
subg. Hypericum
Adenosepalum
Adenosepalum
Aethiopica
Caprifolia
Huber-morathii
Pubescens
Adenotrias
Androsaemum
Arthrophyllum
Ascyreia
Camplyosporus
Coridium
Crossophyllum
Drosocarpium
Elodeoida
Graveolentia
Hirtella
Platyadenum
Stenadenum
Humifusoideum
Hypericum
Erecta
Hypericum
Hypericum
Senanensia
Monanthema
Oligostema
Olympia
Origanifolia
Roscyna
Sampsonia
Taeniocarpium
Takasagoya
Triadenoides
Monospecific
subg. Brathys
Brathys
Brathys
Phellotes
Spachium
Styphelioides
Elodea
Myriandra
Ascyrum
Brathydium
Centrosperma
Pseudobrathydium
Suturosperma
Thornea
Trigynobrathys
Connatum
Knifa
Paleospecies
Taxon identifiers
Hypericum balearicum
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