Helichrysum dimorphum Cockayne
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Helichrysum dimorphum Cockayne, Trans. New Zealand Inst. 47: 117 (1914 [1915])
Helichrysum dimorphum Cockayne
Nomenclature
Cockayne
Cockayne
1914
1915
117
ICN
Helichrysum dimorphum Cockayne
species
Helichrysum dimorphum
Classification
Vernacular names
Descriptions
Helichrysum dimorphum Cockayne
Liane or scandent shrub up to 8 m. amongst scrub, with stout woody base up to 2 cm. diam., sparingly branched below, with ∞ slender flexible branches above, not > 2 mm. diam. Juvenile and shade lvs spreading, up to 5 × 2 mm. on very short petioles, ovate-oblong, sub-coriac., subacute, mucronate, margins thickened; glab. above when mature, clad in white cobwebby tomentum below; mid lvs similar, but smaller and often reflexed. Lvs of final branchlets imbricate, appressed, linear-lanceolate, c. 3 × 1 mm., keeled on back and tomentose when young, clad in dense white woolly tomentum below. Capitula terminal, up to 3·5 mm. diam.; phyll. in several series forming a subcylindric involucre; outer oblong, pilose; inner narrow-oblong, scarious on margins, stramineous with brown tips. Florets 15-25 (all perfect?); achenes narrow-oblong, glab., pappus-hairs slender, ∞.
Helichrysum dimorphum Cockayne
2n = 28
2n = 28
Helichrysum dimorphum Cockayne
Scandent shrub or liane up to 8 m amongst scrub; branchlets (with appressed lvs) c. 1-1.5 mm diam. Lvs of 2 forms confined to distinct sections of stem; appressed lvs ± imbricate, sparsely to moderately brownish white-tomentose on lower, outer surface, becoming partly glabrous, densely white-tomentose on upper, inner surface, apetiolate, elliptic-ovate to narrow-oblong, involute, acute, 2-4 × 0.7-1.5 mm; spreading to reflexed lvs densely white-tomentose on lower surface, glabrous on upper, apetiolate, broad- to oblong-elliptic, revolute, obtuse and mucronate, 2.5-5-(7) × 1.5-2.5 mm. Capitula 3-5 mm diam., solitary, sessile. Middle involucral bracts almost glabrous to tomentose on lamina, elliptic-oblong, obtuse, not or slightly radiating, with greenish and opaque stereome and broad, transparent, membranous margins, c. 5 mm long. Disc pale yellow. Achenes glabrous, angled, 1.5-2 mm long.
Taxonomic concepts
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Helichrysum dimorphum Cockayne
Collections
Metadata
29d2d9c0-ebce-48bb-879c-7d756ca4ba23
scientific name
Names_Plants
1 January 2000
20 April 2004