Home › A › America (Stove species SYNS)

America (Stove species SYNS)

Stove species. SYNS. A. cylindricum, and Polybotrya osmundaceum. A. paleaceum (chaffy). Synonymous with A. squamosum. A. peltatum (peltate-fronded).* rhiz. slender, wide creeping. sti. distant, slender, 1in. to 4in. long, scaly throughout. barren fronds 1in. to 2in. each way, repeatedly dichotomously forked, with narrow linear ultimate divisions, quarter to half line broad. fertile fronds 1/2in. broad, often two-lobed. West Indies. Stove or greenhouse species. This elegant little fern requires a liberal supply of water all the year round, and is best grown in a well drained pan of good fibrous peat, leaf soil, and sand, with some nodules of sandstone raised above the rim of the pan; do not disturb it more than is necessary. SYN. Rhipidopteris peltata.

A. petiolosum (petioled). rhiz. woody, wide scandent. sti. woody, erect, scaly at the base. fronds bipinnate, or tripinnatifid, 2ft. to 4ft. long, 1ft. to 3ft. broad, deltoid; the upper barren pinnae lanceolate, pinnatifid, the longest sometimes 18in. long, and 6in. to 10in. broad; pinnules with long falcate lobes reaching half-way down to the midrib, both surfaces naked; fertile pinnules very narrow, and dangling, continuous or beaded. West Indies, Mexico, &c. Stove species. SYNS. Polybotrya and A. caudatum. A. piloselloides (mouse ear-leaved). Synonymous with A. spathulatum. A. platyrhynchos (broad-beaked). sti. tufted, scarcely any. fronds 12in. to 16in. long, 1in. broad, simple. sori in a patch at the apex, 1in. to 2in. long, 3/8in. broad, which does not reach to the entire edge; the lower part narrowed gradually, with naked surfaces, and a coriaceous texture. Philippines. Stove species. SYN. Hymenolepis platyrhynchos. A. quercifolium (Oak-leaved).* rhiz. stout, wide creeping. sti. of barren fronds 1in. to 2in. long, clothed with brownish hairs. barren fronds 3in. to 4in. long, 1 1/2in. to 2in. broad, the terminal pinnae with blunt rounded lobes. fertile fronds with a terminal pinna, 1in. to 2in. long, one line broad, and a pair of smaller lateral ones, with slender stipes 6in. to 9in. long, hairy at the base. Ceylon. Stove species. SYNS. A. Neitnerii (of gardens), Gymnopteris quercifolia.

A. scandens (climbing).* rhiz. woody, wide climbing. sti. 3in. to 4in. long, firm, erect, naked. fronds 1ft. to 3ft. long, 1ft. or more broad, simply pinnate; barren pinnae, 4in. to 8in. long, 3/4in. to 1 1/2in. broad, acuminate, the edge thickened and serrulate, the base cuneate, sessile, or slightly stalked, articulated; fertile pinnae, 6in. to 12in. long, one and a half to two lines broad, the lower ones distant. Himalayas, &c., 1841. Stove or greenhouse species. SYN. Stenochlaena scandens.

A. scolopendrifolium (Scolopendrium-fronded).* rhiz. woody, creeping, scaly. sti. 4in. to 12in. long, firm, erect, densely clothed with blackish scales. barren fronds often 1ft. long, 1 1/2in. to 3in. broad, simple, acute, the base narrowed gradually; edge and midrib scaly. fertile fronds much smaller than the barren ones. Guatemala, &c. Stove species. SYN.

A. barbatum.

A. serratifolium (serrate-fronded). rhiz. woody, short creeping. sti. of barren fronds 12in. to 18in. long, slightly scaly. barren fronds 2ft. long, 6in. to 12in. broad, with numerous sessile pinnae on each side, 3in. to 6in. long, 3/4in. to 1 1/2in. broad, incisocrenate, the base cuneate; fertile pinnae distant, 2in. to 3in. long, 1/4in. to 1/2in. broad, blunt, entire. Venezuela, &c. Stove species. SYN. Chrysodium serratifolium. A. simplex (simple-fronded). rhiz. woody, creeping, scaly. sti. 1in. to 4in. long, firm, erect, naked. barren fronds 4in. to 12in. long, about 1 1/2in. broad, very acute, the lower part narrowed very gradually. fertile fronds narrower than the barren ones, with longer stipes. Cuba to Brazil, 1798. Stove species. SYN. Elaphoglossum simplex.

A. sorbifolium (Service-leaved).* rhiz. thick, woody, often 30ft. to 40ft. long, clasping trees like a cable, sometimes prickly. fronds 12in. to 18in. long, 6in. to 12in. broad, simply pinnate; barren pinnae 4in. to 6in. long, about 1/2in. broad, three to twenty on each side, articulated at the base, entire or toothed; fertile pinnae 1in. to 2in. apart, 2in. to 4in. long, about 1/4in. broad. West Indies, 1793. There are several varieties of this species, chiefly differing in the number of pinnae. Stove species. SYN. Stenochlaena sorbifolia.

A. s. cuspidatum (cuspidate).* This is only a variety of the above species with long-stalked, ligulate-cuspidate pinnae; but it is usually regarded as a distinct species in gardens.

A. spathulatum (spoon-shaped). sti. tufted, 1in. to 2in. long, firm, erect, scaly. barren fronds 1/2in. to 4in. long, 1/4in. to 1/2in. broad, obovate-spathulate, blunt, tapering narrowly or gradually at the base, with a coriaceous texture; both surfaces and the margins copiously scaly. fertile fronds smaller than the barren, with longer stipes. Tropical America, South Africa, &c. Stove species. SYN. A. piloselloides.

A. spicatum (spiked). rhiz. woody, short creeping. sti. 1in. to 2in. long, firm. fronds 6in. to 18in. long, 1/2in. to 1in. broad, the upper part contracted and fertile, entire, the lower part narrowed very gradually. Himalayas, &c. Greenhouse species. SYN. Hymenolepis brachystachys. A. squamosum (scaly).* rhiz. woody, densely scaly. sti. 2in. to 4in. long, densely clothed with pale or dark-coloured scales. barren fronds 6in. to 12in. long, about 1in. broad, simple, acute, the base narrowed gradually; both sides matted, and the edge densely ciliated with reddish scales. fertile fronds as long as the barren ones, but much narrower, the stipes much longer. Widely distributed in both hemispheres. Stove or greenhouse species. SYN. A. paleaceum.

A. subdiaphanum (semi-transparent).* cau. woody, erect. sti. tufted, 2in. to 6in. long, firm, erect, scaly. barren fronds 4in. to 8in. long, 1in. to 1 1/2in. broad, simple, both ends narrowed, the edge entire. fertile fronds much narrower, on longer stipes. St. Helena. Greenhouse species. SYN. Aconiopteris subdiaphana.

A. subrepandum (slighty-waved).* rhiz. woody, wide-creeping. sti. of barren fronds stout, erect, nearly naked. barren fronds from 1ft. to 2ft. long, 2in. to 12in. broad, copiously pinnate, with linear-oblong entire or subrepand pinnae on each side, which are sometimes 6in. to 8in. long, and 2in. broad. fertile fronds like the others, but smaller. Isle of Luzon, &c. Stove species. SYN. Gymnopteris subrepanda.

A. taccaefolium (Tacca-leaved).* cau. woody, densely scaly. sti. of barren fronds 1in. to 4in. long, scaly. barren fronds from 1ft. to 2ft. long, 3in. to 12in. broad, simple, oblong-lanceolate, entire, copiously pinnate, with oblong-lanceolate pinnae, 1in. to 6in. long, 1/2in. to 1 1/2in. broad, the upper ones narrowly decurrent, the lower ones forked at the base on the under side. fertile fronds simple, 6in. to 12in. long, 1/8in. broad, or pinnate, with forked linear pinnae. The three-lobed form of this species is sometimes known as A. trilobum. Philippines. Stove species. SYN. Gymnopteris taccaefolia.

A. tenuifolium (narrow-fronded).* rhiz. wide scandent, woody, slightly scaly. barren fronds simply pinnate, the stipes 4in. to 6in. long, naked, firm, erect, the fronds 3ft. to 5ft. long, 12in. to 18in. broad; pinnae 6in to 9in. long, 3/4in. to 1 1/2in. broad, acuminate, the edge thickened and serrulate, short-stalked. fertile fronds bipinnate, with longer stipes; pinnae long-stalked, with numerous distant pinnules. South Africa. Stove or greenhouse species. SYNS. A. Meyerianum and Stenochlaena tenuifolia. A. trilobum (three-lobed). A form of A. taccaefolium. A. villosum (hairy).* rhiz. woody, densely scaly. sti. 2in. to 4in. long, slender, densely clothed with scales. barren fronds 6in. to 9in. long, 1in. to 1 1/2in. broad, acute, the lower part narrowed gradually; both surfaces scaly, and the edge more or less ciliated. fertile fronds much smaller than the others. Mexico, &c. Stove species.

A. viscosum (clammy).* rhiz. woody, creeping, densely scaly. sti. 3in. to 6in. long, firm, erect, scaly, often viscous. barren fronds 6in. to 12in. long, 1/2in. to 1in. broad, simple, acute, the lower part narrowed gradually; both surfaces more or less viscid, and minutely scaly. fertile fronds smaller, with longer stipes. Tropical America and the tropics of the Old World, 1826. Very variable in form. Stove species.