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Botanical Description page for GingersRus plant database number " 4006 ".

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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Costus longebracteolatus

Costus longebracteolatus Maas

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Photo# 11134 Specimen# R2611 Costus longebracteolatus

Photo# 11135 Specimen# R0 Costus longebracteolatus by Enid Dolan Offolter, Natural Selections Exotics, Ft. Lauderdale, FL

Photo# 16753 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16752 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16751 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16762 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16759 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16758 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16756 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16761 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16757 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16755 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16760 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16750 Specimen# R0 Costus longebracteolatus at San Pedro, Peru near Iquitos

Photo# 16749 Specimen# R0 Costus longebracteolatus, herbarium at Rio de Janeiro

Photo# 16754 Specimen# R0 Costus longebracteolatus

Photo# 16824 Specimen# R3062 Costus longebracteolatus at Rio Guaycuyacu, Ecuador

Photo# 16823 Specimen# R3062 Costus longebracteolatus at Rio Guaycuyacu, Ecuador

Photo# 16822 Specimen# R3062 Costus longebracteolatus at Rio Guaycuyacu, Ecuador

Photo# 16825 Specimen# R3062 Costus longebracteolatus at Rio Guaycuyacu, Ecuador

Photo# 16826 Specimen# R3062 Costus longebracteolatus at Rio Guaycuyacu, Ecuador

Photo# 16859 Specimen# R3126 Costus longebracteolatus at Quebrada Cayapoza, Peru

Photo# 16858 Specimen# R3126 Costus longebracteolatus at Quebrada Cayapoza, Peru

Photo# 16857 Specimen# R3126 Costus longebracteolatus at Quebrada Cayapoza, Peru

BOTANICAL NAME: Costus longebracteolatus
SUBGENUS:Costus
GROUP:2-bracts not appendaged
SECTION:I-Costus
PRIMARY SOURCE USED FOR DESCRIPTION:Maas, Flora Neotropica No. 8, 1972
SECONDARY SOURCES:
LAST UPDATED:
NOTES AND DISTINGUISHING CHARACTERISTICS:Maas says this is well characterized by strigose to hirsute stems, very long bractiole and calyx. Note: description in monograph #8 is in Latin, possible errors in my interpretation. Primary discrepancy is that the key indicates it is in Group 2 = NOT appendaged, but the description includes appendaged bracts. Related to C. laevis, C. acreanus, and C. amazonicus. (His description has labellum 60 cm long by 50 cm wide - assume this is error, and should be mm) - Supplemental description in monograph #18.

These photos not verified as Costus longebracteolatus.
NATURAL DISTRIBUTION:Amazonian parts of Colombia, Ecuador and Peru, in forests from sea level to 900 m.
HEIGHT:2 to 6 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			densely brownish strigose			0 to 0 cm	20 to 25 cm
Sheath			densely hirsute to strigose			0 to 0 cm	10 to 15 mm
Ligule	10-15 mm long		densely hirsute to strigulose		truncate	10 to 30 mm	0 to 0 mm
Petiole			densely hirsute to strulose			0 to 0 mm	10 to 0 mm
Leaf					narrowly elliptic to narrowly obovate	22 to 48 cm	6 to 17 cm
...upper			glabrous to densely strigulose
...under			densely strigose
...base					cunate to round
...apex					shortly acuminate	0 to 0 mm
Inflorescence	Basal - on a separate leafless shoot 50cm high.				ovoid	7 to 25 cm	5 to 10 cm
Bract	not velutinous, callus 5-15 mm	exposed green or red-tinged , red underneat	glabrous to densely strigose	coriaceous	acute, apex slightly curved outwards	4.5 to 7.5 cm	3.0 to 5.0 cm
Appendage	none?, inferiores appendice?				widely ovate-triangular	0.5 to 2.2 cm	0.8 to 1.9 cm
Bracteole	32-42 mm long		glabrous to densely strigose		boat shape	3.2 to 4.2 cm	0.0 to 0.0 cm
Flower						0 to 0 cm	0 to 0 cm
Calyx	17-22 mm long, lobes 5-10mm	red to orange	glabrous to sparely strigose		lobe widely triangular to deltoid	1.7 to 2.2 cm	0.0 to 0.0 cm
Corolla		albo-flava, rubro-maculata				7.0 to 0.0 cm	0.0 to 0.0 cm
Labellum		white, lateral lobes wine red veins			widely obovate when spread, margin crispa	6.0 to 0.0 cm	5.0 to 0.0 cm
Stamen	anther 12 mm	white, apex pink			narrowly elliptical	5.0 to 0.0 cm	1.2 to 0.0 cm

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