Brooklyn Botanic Garden

Hypericum densiflorum

Hypericum

by Kerry Barringer
Not peer reviewed
Last modified: 02/06/2013

Nomenclature

Hypericum L., Sp. Pl. 2: 783. 1753. Gen. Pl. 341. 1754. LECTOTYPE: Hypericum perforatum L., designated by Britton & Brown (1913).

Ascyrum L., Sp. Pl. 787. 1753. Gen. pl., ed. 5, 342. 1754. Hypericoides Adans., Fam. Pl. (Adanson) 2: 443. 1763. Myriandra Spach, Ann. Sci. Nat. Bot. ser. 2, 5: 364. 1836. LECTOTYPE: Hypericum hypericoides (L.) Crantz (Ascyrum hypericoides L.), designated by Britton & Brown (1913).

Brathys L. f., Suppl. Pl. 43, 268. 1782. TYPE: Brathys juniperina L.f.

Crookea Small, Fl. S.E. U.S. 786, 1335. 1903. TYPE: Crookea microsepalum (Torr. et A. Gray) Small.

Key to the species of Hypericum

(Woody spp. only)

1. Petals 4; sepals 4, very unequal, the outermost much larger that the 2 innermost...2
1. Petals 5 or rarely 4; sepals 5, equal to subequal, sometimes with 1 sepal conspicuously larger than the rest...3

2. Decumbent; styles 2; stamens fewer than 50; leaves less than 7 mm wide...Hypericum hypericoides
2. Erect; styles 3 or 4; stamens 50-100; leaves more than 7 mm...Hypericum crux-andreae

3. Sepals narrowly oblong, 4-6 mm long, 1-1.5 mm wide, acute; leaves oblanceolate to elliptic 2-4 cm long, 2-6 mm wide; capsules ovoid, acute, 3 mm wide...Hypericum densiflorum
3. Sepals ovate, elliptic, or foliaceous, more than 2 mm long; leaves usually more than 1 cm wide...Hypericum prolificum

List of Hypericum Species

References

References to Hypericum

Back to Clusiaceae Page

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