Book  (Oct 2001)  Page(s) 372-373.  Includes photo(s).

Book  (1965)  Page(s) 443.  
 
15. Clematis uncinata Champ, var. ovatifolia (T. Ito) Ohwi. C. ovatifolia T. Ito; C. longiloba sensu Maxim., non DC. - Kii-sennin-sō. Glabrous, somewhat glaucous climber; leaves petiolate, somewhat coriaceous, twice ternate or the lower ones pinnately 5-foliolate, the lowest leaflets once again ternate, the ultimate leaflets ovate to ovate-oblong, 4-7 cm. long, 2-3 cm. wide, 3- or obsoletely 5-nerved, entire, acute to abrupdy acuminate, rounded at base, the petiolules jointed below the top; panicles loosely many-flowered, 10-25 cm. long, the pedicels 2-2.5 cm. long, bracteatc; flowers 2.5-3 cm. across; sepals 4, white, oblanceolate, subacuminate, the margin densely puberulent; anthers about 3 mm. long; achenes lanceolate, truncate, about 6 mm. long, glabrous; style 1.8-2.2 cm. long, feathery. - Aug. Honshu (s. Kinki Distr.), Kyushu (Higo Prov.). The typical phase occurs in s. China and Formosa.
 

Magazine  (Oct 1915)  Page(s) tab 8633.  
 
Clematis uncinata, forma retusa.
China.
Ranunculaceae. Tribe Clematideae.
Clematis, Linn. ; Benth. et Hook. f. Gen, Plant. vol. i. p. 3.

Clematis uncinata, Champion ex Benth. in Hook. Kew Journ. Bot. vol. iii. p. 255, forma retusa, Sprague ; foliolis apice retusis a typo distincta.

Frutex scandens. Caules sulcati, purpurascentes, glabri. Folia pinnatim quinquefoliolata vel septemfoliolata (ea inflorescentiae trifoliolata vol simplicia) ; foliola elliptica vel late ovata, apice retusa, basi cordata vel rotundata, 3-6.5 cm. longa, 2-3 cm. lata, tenuiter coriacea, glabra ; petiolus in basin ampliatus, supra valde excavatus ; petioluli 1-2.5 cm. longi. Thyrsi foliati; pedicelli 1.5-2.5 cm. longi, basi pari bractearum suffulti ; bracteae anguste lanceolatae, 4-5 mm. longae. Sepala alba, ligulana, minute apiculata, 1.5-1.8 cm. longa, 3-5 mm. lata, primum patentia, demum deflexa. Stamina numerosa ; filamenta linearia, 2-8 mm. longa; minute apiculatae. Pistilla pluria, vix 1 cm. longa; ovarium glabrum ; stylus longe dense plumosus. Achaenia formae retusae haud cognita, formae typicae oblonga, breviter rostrata, 6-7 mm. longa, stylo patenter plumoso triplo longiore.— T. A. Sprague.

The striking form of Clematis uncinata which is the subject of our plate differs from the plant originally described as C. uncinata by Champion, by its leafy inflorescence, that of the type being comparatively leafless, and by its leaflets being all retuse in place ot acutely acuminate and recurved or almost hooked at the tip, the feature to which the species owes its name. Yet in spite of the distinctive appearance thus imparted to the present form, the two extremes are connected by a series of intermediate conditions, the existence of which renders it impossible to accord our plant even the rank of a variety. For the material from which our illustration has been prepared we are indebted to Captain D. V. Pirie, in whose garden at the Chateau de Varennes, a few miles west of Angers, it makes a most beautiful picture, clambering over a wall and succeeding under the strong sun of Western France much better than it does at Kew. Fragrant as well as graceful, C. uncinata is evidently a species which loves bright sunshine. In England it does not appear to be very hardy in the open ground and will probably require to be grown on a south wall in order to bring out its best qualities.

Description. — Shrub, climbing; stems grooved, purplish, glabrous. Leaves pinnately 5-foliolate or 7-foliolate, those of the inflorescence 3-foliolate or simple; leaflets elliptic or wide-ovate, retuse, base cordate or rounded, 1 1/4-2 1/2 in. long, 3/4-1 3/4 in. wide, thinly coriaceous, glabrous ; petiole widened at the base, deeply channelled above ; petiolules 1/2 in. long. Flowers disposed in a leafy thyrse ; pedicels 2/3-1 in. long, with a pair of bracts at the base, : bracts narrow-lanceolate 1/6-1/5 in. long. Sepals white, narrow oblong, minutely apiculate 2/3-3/4 in. long, 1/8-1/5 in. wide, at first spreading, ultimately deflexed. Stamens many; filaments linear, 1/12-1/3 in. long ; anthers linear, 1/8-1/7 in. long, finely apiculate. Carpels very many about 1/3 in. long ; ovary glabrous ; style densely plumose with long hairs Achenes of the form now described unknown; those of the typical form oblong, shortly beaked, about 1/4 in. long ; style feathered with spreading hairs.

Figs. 1 and 2, stamens ; 3, pistil :—all enlarged

Book  (1910)  Page(s) 2.  
 
Clematis uncinata Champ. var. floribunda Hay. Shima-senninsô.