Gentes Herbarum, Volume 1 pt 2 109-110 (1922)


In reporting in 1920 on a collection of plants in China I stated (Gent. Herb. 37) that "two apparently undescribed species of Hibiscus were taken, and they have been tentatively named, described and illustrated; but further material is awaited." This material is now in hand, and the descriptions follow.

Hibiscus sinosyriacus, spec. nov. Ab Hibisco syriaco differt foliis magnis latissimis argute dentatis et bracteis latis foliaceis calycem superantibus.

Frutex robustus erectus; ramuli juniores hirsuto-pubescentes: folia late cuneatoovata, 3-loba, grosse et satis argute dentata, lamina 7-9 cm. longa et aeque vel fere ac lata, nervis 3 validis et utrinque laterali tenuiore instructa; petioli pubescentes. 2-4 cm. longi; flores magni, aperti, 8-9 cm. diam., lilacini; petala latissima et marginibus sese manifeste tegentia; bracteae lanceolato-oblongae, acuminatae, 2.5-3 cm. longae et circiter 0.5 cm. latae, pubescentes, calycem superantes. Fig. 50.

Kuling, a stout erect shrub, possibly planted. In general habit much like H. syriacus, but differing markedly in the leaves and the wide calyx-bracts.

Hibiscus syriacus, L., I took in China at Chikungshan (Hupeh-Honan), said to have been transplanted from the wild; also in temple grounds near Kioshan (Honan), supposedly planted.

Hibiscus paramutabilis, spec. nov. Ab H. mutabili primo aspectu differt foliis basi truncatis vel fere truncatis, margine magis remote dentatis, bracteis ealycinis latioribus tantum 5, pedicellis ferrugineo pubescentibus, non manifeste articulatis, floribus albis medio rubris.

Arbor parva; ramuli petiolique et folia pubescentia: folia magna, longe petiolata, lamina 10-14 cm. longa et pleraque latiore quam longa, basi truncata vel fere truncata 3-lobata, acuminata, remote repando-dentata, dentibus parvis, manifeste 5-nervia et utrinque ad marginem inferiorem nervo tenui instructa, utrinque stellato-pubescente: flores magni, 11-12 cm. diam., albi, medio rubescentes; petala obovata, obtusissima, venosa; bracteae calycis ovato-acuminatae, 2-3 cm. longae et dimidio vel ultra angustiores calycis lobos bracteis similes subaequantes vel paullo superantes; pedicelli manifeste ferrugineo-pubescentes, robusti, circiter 2 cm. longi: semina Innata, pilis longissimis deflexis instructa. Fig. 50.

Kuling, a showy broad-headed small tree, possibly planted. H. venustus, Blume, a tropical shrubby villous plant, probably belongs to the same group; from the present species it is distinguished by cordate strongly toothed leaves, long-pedicelled inclined or pendent flowers, and other characters. I suspect that H. paramutabilis is not confined to China.

FIG. 50. HIBISCUS.—T, Hibiscus paramutabilis. SS, Hibiscus sinosyriacus. S, H. syriacus LEAF FOR COMPARISON

Hibiscus syriacus biblio