学名(拉丁名) | Dennstaedtia appendiculata |
中文名 | 顶生碗蕨 |
命名人 | (Wall.) J. Sm. |
中文科名 | 姬蕨科 |
拉丁属名 | Dennstaedtia |
类型 | species |
拉丁科名 | Dennstaedtiaceae |
中文属名 | 碗蕨属 |
学名(拉丁名) | Dennstaedtia appendiculata |
命名人 | (Wall. ex Hook.) J. Sm. (accepted name) |
拉丁属名 | Dennstaedtia |
类型 | species |
拉丁科名 | Dennstaedtiaceae |
学名(拉丁名) | Dennstaedtia appendiculata |
命名人 | (Wall. ex Hook.) J. Sm. |
发表年份 | 1875(年) |
拉丁属名 | Dennstaedtia |
类型 | species |
拉丁科名 | Dennstaedtiaceae |
学名(拉丁名) | Dennstaedtia appendiculata |
中文名 | 顶生碗蕨 |
拉丁属名 | Dennstaedtia |
类型 | species |
拉丁科名 | Dennstaedtiaceae |
学名(拉丁名) | Dennstaedtia appendiculata |
中文名 | 顶生碗蕨 |
中文科名 | 碗蕨科 |
拉丁属名 | Dennstaedtia |
类型 | species |
拉丁科名 | Dennstaedtiaceae |
中文属名 | 碗蕨属 |
学名(拉丁名) | Dennstaedtia appendiculata |
发表年份 | 1875(年) |
拉丁属名 | Dennstaedtia |
类型 | species |
拉丁科名 | Dennstaedtiaceae |
Dicksonia appendiculata Wallich ex Hooker, Sp. Fil. 1: 79-80. 1844; D. glutinosa Wallich ex Hooker; Emodiopteris appendiculata (Wallich ex Hooker) Ching & S. K. Wu; Patania appendiculata (Wallich ex Hooker) Beddome.
Rhizome creeping, black, ca. 5 mm in diam., slightly compressed on both sides, glabrous. Fronds scattered; stipe ca. 20 cm, ca. 3 mm in diam., black at base, dark brown upward, rounded beneath, grooved above, with brown scabrous marks; lamina black-brown adaxially when dried, deep brown abaxially, tripinnatisect, oblong-lanceolate, ca. 60 × 14 cm, herbaceous, abaxially slightly gray transparent glandular hairy, adaxially glabrous, both ends attenuate; pinnae 26-30 pairs, opposite, 1.5-2 cm apart, spreading, slightly oblique upward, very shortly stalked or almost sessile, lanceolate, basal pinnae shortened, only 1-2.5 cm, distant, middle pinnae 6-8 × 1.2-1.5 cm, bipinnatisect; pinnules 18-20 pairs, adjacent, spreading, oblong, 6-9 × 3-4 mm, base symmetrical, margin pinnatisect almost to costule, apex blunt; ultimate pinnules oblong, 2-2.5 mm, oblique upward, 2- or 3-forked at lower apex; lobules entire. Veins obvious abaxially, pinnate and furcate, veinlets not reaching margin, each lobule with one veinlet, hydathode at apex obscure; rachis and pinna rachis scabrous, with brown articulate hairs abaxially. Sori orbicular, terminal on upper side of lobules; indusium brownish, hemitelioid, glabrous, curved downward like a tobacco pipe.
1500-2500 m. Chongqing, Sichuan, Xizang [Bhutan, N India, Nepal].
“Sitobolium glutinosum” (J. Smith, London J. Bot. 1: 434. 1842, nom. nud., based on “Dicksonia glutinosa Wallich,” nom. nud.) belongs here.
2.顶生碗蕨 图版XVII,1-3
Dennstaedtia appendiculata (Wall.) J. Sm. Hist. Fil. (1875) 265; Christ, Farnkr. d. Erde (1897) 312; Diels in Engl. u. Prantl, Nat. Pflanzenfam. I, iv (1899) 217; Bedd. Handb. Ferns Brit. Ind. (1883) 26; C. Chr. Ind. Fil. (1905) 216——Dicksonia appendiculata Wall. List (1828) n. 65, nom. nud. ; Hook. Sp. Fil. I (1844) 79, t. 27 C; Hook. et Bak. Syn. Fil. (1874) 54——Patania appendiculata Bedd. Ferns Brit. Ind. Suppl. (1876) 2——Sitolobium glutinosum J. Sm. in London Journ. Bot. I (1842) 434, nom. nud. ——Dicksonia glutinosa Hook. Sp. Fit. I (1844) 81, t. 27 C.
根状茎横走,粗约5毫米,两侧稍扁,黑色,无毛。叶疏生,柄长约20厘米,粗约3毫米,基部黑色,向上为褐棕色,上面有沟,下面圆形,具褐色粗糙的痕;叶片长达60厘米,中部宽14厘米,两端渐狭,长圆披针形,三回羽状深裂;羽片约26-30对,对生,有极短柄或几无柄,开展,略向上斜出,披针形,基部的缩短,长仅1-2.5厘米,远离,中部的长6-8厘米,宽1.2-1.5厘米,相距1.5-2厘米,二回羽状深裂;一回小羽片18-20对,长圆形,接近,开展,长6-9毫米,竟3-4毫米,钝头,基部对称,羽状深裂几达小羽轴;末回小羽片长2-2.5毫米,长圆形,斜上,下部的先端为2-3又,小裂片全缘。叶脉下面明显,羽状分叉,小脉不到叶边,每条小裂片有小脉一条,先端水囊不显。叶草质,干后上面黑褐色,光滑,下面深棕色,略有灰色透明的腺毛;叶轴和羽轴表面粗糙,下面有棕色节状毛。孢子囊群圆形,生于上侧小裂片的顶端;囊群盖杯形,淡褐色,无毛,向下方弯曲如烟斗。
产四川西南部。海拔1500-2500米。印度北部也有。