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Hylotelephium
Family: Crassulaceae
Hylotelephium image
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Reid V. Moran in Flora of North America (vol. 8)
Herbs, perennial (dying back in winter, base persisting as annual addition to rootstock), not viviparous, 2-9 dm, glabrous, (from sympodial rootstock with thickened or tuberous roots). Stems [mostly] erect or ascending, little-branched proximal to cyme, succulent. Leaves persistent, cauline, alternate, opposite [or whorled], sessile or short-petiolate, not connate basally; petiole to 5 mm; blade [mostly] broad, ovate to obovate, oblanceolate, elliptic, or elliptic-oblong, or spatulate, laminar, 2-11 cm, herbaceous, base not spurred, margins entire or dentate or serrate; veins not conspicuous. Inflorescences terminal corymbose cymes, often paniculate. Pedicels present. Flowers erect, 5-merous; sepals connate basally, all alike; petals ascending or spreading, distinct, white or greenish to pinkish or purple [red]; calyx and corolla not circumscissile in fruit; nectaries quadrate to oblong [spatulate]; stamens 2 times as many as sepals or absent; filaments adnate to corolla base; pistils erect, distinct; ovary base attenuate, sometimes sharply narrowed, tapering to slender styles; styles shorter than ovary. Fruits erect. Seeds ellipsoid, with narrow, parallel grooves. x = 12. Hylotelephium has usually been treated as a section or subgenus of the polymorphic and, as now understood, polyphyletic genus Sedum. From Sedum as redefined by H. ´t Hart (1995) these species differ in their distinct and basally attenuate pistils; in general, they differ further in having tall, leafy annual floral stems from an underground tuberous base, very broad and thin leaves, corymbose cymes, and stems dying back in winter to a tuberous base (H. Ohba 1977). The vascular structure of flowers of this group were found by M. W. Quimby (1939) to be more primitive than in Sedum, having six distinct whorls of vascular traces from stele to appendages. In the distinctive Hylotelephium anacampseros Linnaeus of southern Europe, H. ´t Hart (1985) found only four whorls of traces and found evidence that this pattern derived from that of Hylotelephium and was independent of patterns in Sedum.

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Hylotelephium cauticola
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Hylotelephium erythrostictum
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Hylotelephium maximum
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Hylotelephium pluricaule
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Hylotelephium sieboldii
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Hylotelephium sordidum
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Hylotelephium spectabile
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Hylotelephium telephioides
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Hylotelephium telephium
Image of Hylotelephium telephium
Hylotelephium verticillatum
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The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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