Thread like Opposite Oppositely Attached directly by the base, not stalked. Flower rests directly on the stem Bent or curved downward or backward Flower spikes so close together they appear to be like a head. Forming a rounded head Arranged around an axis; not opposite as in distichous Spreading like fingers in a hand and therefore there is no conspicuous main central spike. The main axis would be very short. Surfaced with small scurfy scales (trichomes) Smooth, glossy, i.e. without hairs or scales Closely and flatly pressed against Spindle shaped Frosty; covered with fine scales, hairs, dust, bloom, or the like, so as to give the appearance of frost. Sword-shaped Twisted to one side. Bent, as a knee. Terminating abruptly in a little point which is not particularly stiff.

AN AMATEURíS GUIDE TO THE GREYISH LEAVED TILLANDSIOIDEAE

Compiled by Derek Butcher

THE KEY

B - PETAL - WHITE/ WHITISH

B1 STAMENS & STYLE Shorter than the petals (see Fig. 3) 10
       
    Longer than the petals (see Fig. 3) 2
       
B2 INFLORESCENCE Simple. (see Fig. 1) 3
       
    Compound (see Fig. 2) 4
       
B3 PLANT With long stems albida
       
    Stemless 3A
       
B3A FLOWER STEM Long.Flowers very lax, inflorescence elongate, rhachis geniculate, petals greenish-white fresnilloensis
       
    Long. Flowers dense, Inflorescence oval-shaped, Rhachis just visible. Petals appendaged, white 3B
       
    Missing ionantha (druid form)
       
B3B FLOWER STEM BRACT Recurved away from stem Vriesea poenulata
       
    Erect, hugging the stem Vriesea flammea
       
B4 FLOWER STEM Long 6
       
    Very short, masked by the leaves 5
       
B5 LEAF Green. Inflorescence densely ellipsoid moscosoi
       
    With coarse grey scales 5A
       
B5A INFLORESCENCE Upright, nestling in the leaves, densely egg shaped plagiotropica
       
    Pointing downwards. Floral bract rose, sparsely scaled matudae
       
B6 FLORAL BRACT
& FLOWER
Arranged densely on rhachis. Spike swordshaped polystachia
       
    Arranged laxly on rhachis 7
       
B7 RHACHIS Strongly angled in zigzag form. Floral bract maroon limbata
       
    Not angled in zigzag form. The internodes at the most lightly bent. 8
       
B8 LEAF With coarse grey scales, 15-20cm long. Plant freely offsetting. utriculata ssp. pringlei
       
    With minute pale appressed scales. To 100cm long. Plant rarely offsetting. utriculata ssp. utriculata
       
9 not used    
       
B10 INFLORESCENCE Simple 42
       
    Compound 11
       
B11 SEPAL Symetrical 26
       
    Asymetrical
(Racinaea and flowers generally very small)
12
       
B12 FLORAL BRACT Shorter than the sepals 19
       
    Equalling or longer than the sepals 13
       
B13 FLOWER Arranged laxly on the rhachis 15
       
    Arranged closely on the rhachis 14
       
B14 FLORAL BRACT Red. Bottom of the plant thickened bulblike. Leaf edge wavy Racinaea undulifolia
(was crispa)
       
    Green. Bottom of the plant not thickened, bulblike. Leaf edge smooth. Racinaea spiculosa
       
B15 FLOWER Twisted on one side 18
       
    Not twisted on one side 16
       
B16 FLOWER Spreading Racinaea insularis
       
    Upright 17
       
B17 ROSETTE LEAVES Tongue shaped Racinaea tenuispica
       
    Thin triangular Racinaea pugiformis
       
B18 FLOWER Twisted upwards Racinaea fraseri
       
    Twisted downwards Racinaea pectinata
       
B19 FLOWER Arranged laxly. Rhachis visible 21
       
    Arranged closely. Spike 15-20 flowered Racinaea multiflora
       
20 Not used    
       
B21 FLORAL BRACT Dense appressed scales Racinaea pallidoflavens
       
    Naked or sparsely scaled 22
       
B22 PLANT Thickening bulblike at base 22A
       
    Not thickening bulblike at base 23
       
B22A SCAPE BRACT Longer than the internodes Racinaea parviflora
var. expansa
       
    Shorter than the internodes Racinaea commixa
       
B23 LEAF TIPS Narrow not rounded 25
       
    Rounded with spiny tip 24
       
B24 FLOWER Erect adjacent to rhachis Racinaea tenuispica
       
    Spreading around the rhachis Racinaea insularis
       
B25 FLOWER Arranged distichously 25A
       
    Arranged in 3 lines
patriae
(Now Catopsis minimiflora)
       
B25A SEPALS and Floral bracts brown scaled to scattered brown scales Racinaea flexuosa
       
    and Floral bracts whitish scaled to glabrous Racinaea multiflora
       
B26 PLANT Stemless 29
       
    With a stem 27
       
B27 PLANT Long stem,spike erect 27A
       
    Short stem, Petals with toothed edges
appendaged
Vriesea crenulipetala
       
    Short stem. Petals not tooth edged or appendaged 28
       
B27A LEAF 8mm wide, narrow triangular, blades recurving. Flower stem to 7 cm long reichenbachii
       
    2 cm wide, narrow lancelike. 27B
       
B27B INFLORESCENCE lax, leaves grey green. Plant not secund buchlohii
       
    Sub globose, leaves grey, plant secund. Petals white according to Leme(BSI J. 1987 p221) gardneri v. rupicola
       
B28 SEPAL To 1.4 cm long. Floral bract shiny red. Spike almost erect or spreading bent vernicosa
       
    To 1.8 cm long. Floral bract red or green. Spike widely spreading lorentziana
       
B29 FLOWER STEM Very short 39
       
    Long, visible 30
       
B30 PETAL Long, thin, oar shaped, laxly hanging, greenish white, stamens visible, but not longer than the petal. grandis
       
    Not hanging 31
       
B31 PLANT With thin grasslike leaves 31A
       
    Not with thin grasslike leaves 32
       
B31A INFLORESCENCE Long and narrow remota
       
    more or less globose globosa
       
B32 LEAF Dense grey to silver grey scaled 36
       
    Green 33
       
B33 FLORAL BRACT Red 38
       
    Other colours 34
       
B34 FLORAL BRACT Other than wholely red or green 35
       
    Green, to 2 cm long, longer than the sepals elongata
       
B35 FLORAL BRACT Bottom and middle red, top white stenoura v. mauroi
       
    Reddish brown to tan venusta
       
B36 FLORAL BRACT Dense grey scales didisticha
       
    Naked 37
       
B37 LEAF SHEATH Almost disc shaped, dark brown scales bismarckii
       
    Not clearly developed, grey scaled vernicosa
       
B38 SPIKE 6 cm wide,velvet like, light red dyeriana
       
    1 cm wide,shiny red vernicosa
       
B39 INFLORESCENCE Thick, short, capitate schreiteri
       
    Not thick, short, capitate 40
       
B40 INFLORESCENCE Upright bismarckii
       
    Hanging or pointing downwards 41
       
B41 INFLORESCENCE With 3 - 7, short, dense, digitate, compound spikes. Spike 6 - 7 cm long, 1.5 cm wide, 2-4 flowering matudae
       
    ca. 9, long, thin,hanging laxly arranged, compound spike. Spike 25 - 30 cm long, 5mm wide, 20 - 30 flowering barthlottii
       
B42 INFLORESCENCE One or two flowered spike 42A
       
    Three or more flowered 43
       
B42A LEAF Arranged distichously andicola
       
    Arranged in a whorl tenuifolia
       
B43 FLOWER Arranged distichously on rhachis 50
       
    Arranged polystichously (see Fig. 4) at bottom but distichously at top guelzii or pucaraensis
See 'Uncle Derek Says'
       
    Arranged polystichously (see Fig. 4) 44
       
B44 PLANT With stem 47
       
    Stemless 45
       
B45 FLORAL BRACT Greenish brown pohliana
       
    Pink red 46
       
B46 FLOWER STEM Very short, masked by the leaves; Inflorescence dense, almost capitate, few flowered rosea
(now stricta)
       
    ca 10 cm long, hanging inflorescence, laxly flowered recurvifolia
       
B47 FLOWER STEM Long, widely exceeds the leaves 49
       
    Not exceeding the leaves or a few (2 - 3cm) 48
       
B48 SEPAL Joined at the back, 7 mm high. Plant with long stalk 48A
       
    Joined for a short way equally high. Plant with short stalk rosea
(Now stricta)
       
B48A PETAL Rippled, twisted, to 30mm long. Sepals to 18 mm. bergeri
       
    Smooth, to 20mm long. Sepals to 10mm long tenuifolia
       
B49 LEAF Short (2 - 4 cm long) erect and hugging the stem, floral bracts yellow-green burle-marxii
       
    Short (5-6 cm long) all robust, bent to growing on one side, floral bracts pink araujei
       
    Long (9-11 cm long ) nearly straight or very slightly growing to one side, floral bracts green nuptialis
       
B50 FLOWER Arranged densely on rhachis 59
       
    Arranged laxly on the rhachis 51
       
B51 SEPAL Not over 2 cm long 53
       
    Over 2 cm long 52
       
B52 SPIKE 6 cm wide. Floral bract orange-yellow to light cinnabar red dyeriana
       
    2 cm wide. Floral bract red acosta-solisii
       
B53 PLANT Stemless 55
       
    With stem 54
       
B54 FLORAL BRACT Red 54A
       
    Green. Plant short stemmed chiletensis
       
B54A PLANT Long stemmed. Floral bract pale cinnabar red toropiensis
       
    Short stemmed. Floral bract reddish brown. bagua-grandensis
       
B55 FLORAL BRACT Longer than the sepal. Flower opening wide. 55A
       
    Shorter or equal to the sepal 56
       
B55A FLOWER Spaced 7 mm apart triglochinoides
       
    Spaced 2 - 3 cm apart, white with yellow eye dodsonii
       
B56 FLORAL BRACT Not keeled cornuta
       
    Keeled to weakly keeled 57
       
B57 RHACHIS Hollowed on the side, therefore weakly winged monadelpha
       
    Angled 58
       
B58 FLORAL BRACT Twice as long as the internodes of the rhachis narthecioides
       
    Many times longer than the internodes. scaligera
       
B59 PLANT Thickened at the base, bulblike 70
       
    Not thickened at the base, bulblike 60
       
B60 PLANT With green leaves 68
       
    With grey or silver grey scaled leaves 61
       
B61 FLORAL BRACT Red or dark purple 61A
       
    Green, yellowish straw colour, pink or reddish brown 62
       
B61A FLORAL BRACT Red 65
       
    Dark purple, 3 - 3.5 cm long. Sepals nerved. No flower stem. guasamayensis
(Now muhriae)
       
B62 PETAL 2 cm wide, Edges wavy and serrated xiphioides
       
    Less than 2 cm wide, Edges not wavy, barely or weakly serrated 63
       
B63 PLANT Long stem. 63A
       
    Scarcely a short stem 64
       
B63A FLOWER STEM Conspicuous. Leaf short, wide to bent backward diaguitensis
       
    Inconspicuous. Leaf short, wide to bent upward arequitae
       
B64 SPIKE To 1.5 cm wide, flower stem straight, spike flattend lorentziana
       
    To 2.5 cm wide, floral bracts glabrous, broadly-obtuse micans
       
    To 1.5 cm wide, flower stem bent, spike oval shaped in cross section, floral bracts lepidote and apiculate. boliviensis
       
B65 PLANT No stem, bottom almost bulb forming. Floral bract dark red, grey scaled hemkeri
       
    With stem 66
       
B66 PLANT Dense feathery scales balsasensis
       
    No feathery scales 67
       
B67 PLANT Long stemmed. 67A
       
    Short stemmed. Leaf 1.8 cm wide. Back sepals joined a short way bermejoensis
       
B67A LEAF Thin, 5-8 mm wide, 10-15 cm long Sepals pinkish caulescens
       
    Narrow, 15 mm wide, 9 cm long. Sepals light green. muhriae
(see also guasamayensis)
       
B68 PLANT Long stemmed caulescens
       
    Stemless 69
       
B69 FLORAL BRACT 5 cm long heterophylla
       
    1.7 cm long scaligera
       
B70 FLORAL BRACT Red. Sepal asymmetrical Racinaea crispa
       
    Dark red, grey scaled. Sepal symmetrical. hemkeri
       

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