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Botanical Description page for GingersRus plant database number " 5230 ".

You can select the botanical description of a different plant from this list: Click arrow to see list, then click GO Chamaecostus congestiflorus Chamaecostus curcumoides Chamaecostus cuspidatus Chamaecostus fragilis Chamaecostus fusiformis Chamaecostus lanceolatus Chamaecostus subsessilis Cheilocostus globosus Cheilocostus lacerus Cheilocostus speciosus Cheilocostus sopuensis Costus "El Whiskey" Costus sp. from Cabo Matapalo Costus acreanus Costus afer Costus albus Costus allenii Costus amazonicus Costus arabicus Costus asplundii Costus asteranthus Costus barbatus Costus beckii Costus bracteatus Costus chartaceus Costus claviger Costus claviger aff Costus comosus var. bakeri Costus comosus Costus cordatus Costus cupreifolius Costus curvibracteatus Costus deistelii Costus dewevrei Costus dirzoi Costus dubius Costus erythrocoryne Costus erythrophyllus Costus erythrothyrsus Costus fissiligulatus Costus foliaceus Costus gabonensis Costus geothyrsus Costus glaucus Costus guanaiensis Costus guanaiensis var. macrostrobilacius Costus guanaiensis var. tarmicus Costus juruanus Costus laevis Costus lasius Costus lateriflorus Costus letestui Costus leucanthus Costus ligularis Costus lima Costus longebracteolatus Costus lucanusianus var. major Costus lucanusianus Costus Maas species A Costus Maas species B Costus maboumiensis Costus macranthus Costus maculatus Costus malortieanus Costus montanus Costus nitidus Costus nudicaulis Costus oblongus Costus osae Costus phaeotrichus Costus pictus Costus plicatus Costus plowmanii Costus potierae Costus productus Costus pulverulentus Costus quasi-appendiculatus Costus ricus Costus sarmentosus Costus scabe Costus spectabilis Costus spicatus Costus spiralis Costus sprucei Costus stenophyllus Costus subbiflorus Costus tappenbeckianus Costus tonkinensis Costus vargasii Costus varzearum Costus villosissimus Costus vinosus Costus violaceus Costus viridis Costus wilsonii Costus woodsonii Costus zamoranus Costus zingiberoides Paracostus englerianus Paracostus paradoxus

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SUBGENUS:Costus
GROUP:1-bracts with appendage
SECTION:I-Costus
PRIMARY SOURCE USED FOR DESCRIPTION:Maas, Flora Neotropica No. 8, 1972
SECONDARY SOURCES:
LAST UPDATED:
NOTES AND DISTINGUISHING CHARACTERISTICS:Unnamed species, closely related to Costus claviger and Costus erythrophyllus, differs from the latter by smaller ligule and cordate leaf base.
NATURAL DISTRIBUTION:Colombia and Brazil
HEIGHT:0 to 2 meters

Botanical Description for this Species
For illustrations or explanation of terminology, click on the linked plant part or column header.
Descriptions used for plant identification key are shown in BOLD.

Plant Part	General	Color	Hairs	Texture	Shape	Length	Width
Rhizome						0 to 0 cm	0 to 0 cm
Sheath			densely to minutely puberulous			0 to 0 cm	5 to 10 mm
Ligule			densely to minutely puberulous		truncate	2 to 5 mm	0 to 0 mm
Petiole			densely to puberulo-sericeous			2 to 3 mm	0 to 0 mm
Leaf					narrowly elliptic	15 to 25 cm	4 to 6 cm
...upper			glabrous to sparsely minutely puberulous
...under			densely to sparsely minutely puberulous
...base					cordate
...apex					acuminate	5 to 15 mm
Inflorescence	terminal				ovoid	8 to 9 cm	3 to 5 cm
Bract	callus absent	red	abaxial minutely puberulous, adaxial similar, glab	coriaceous	broadly ovate to ovate	2.5 to 3.0 cm	1.5 to 2.5 cm
Appendage	reflexed or ascending	green	densely minutely puberulous	foliaceous	ovate-triangular	0.5 to 3.0 cm	1.0 to 1.5 cm
Bracteole	callus 3 mm long		densely minutely puberulous		boat shape	2.0 to 2.4 cm	0.0 to 0.0 cm
Flower						0 to 0 cm	0 to 0 cm
Calyx		red	densely minutely puberulous		lobes triangular to deltate	1.2 to 1.6 cm	0.6 to 0.8 cm
Corolla		white	glabrous			0.0 to 7.0 cm	0.0 to 0.0 cm
Labellum					broadly obovate when spread	4.5 to 5.0 cm	3.5 to 4.0 cm
Stamen	anther 7-8 mm long					0.0 to 4.0 cm	0.0 to 0.0 cm

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