ANGULO@ Back to main page
Your interactive personal assistant to identify the Anguloa species and their natural hybrids
Adapted, with permission from the author, from :
 " Anguloa: the species, the hybrids and a checklist of Angulocastes ", by Dr. Henry F. Oakeley, published in Orchid Digest , volume 63(4) Oct., Nov., Dec., 1999.
Reprints are available from the author, please enquire .

Recognized species & varieties : Ang. brevilabris , Ang. cliftonii , Ang. clowesii & Ang. clowesii var. flava , Ang. dubia , Ang. eburnea , Ang. hohenlohii & Ang. hohenlohii var. macroglossa , Ang. tognettiae , Ang. uniflora , Ang. virginalis

Natural hybrids : Ang. x acostae , Ang. x rolfei , Ang. xruckeri

Go to the Anguloa Picture Gallery
Go to the Determination Key


How to use this interactive determination key :
Make sure that you are actually considering an Anguloa species or natural hybrid.       Troubleshooting:

Interactive determination key to identify the Anguloa species and their natural hybrids        Back to top

1
Lip with narrow stalk attaching the base to the column foot
2
1’
Lip directly hinged at base to column foot
3
     
2
Lip ewer-shaped 
Ang. cliftonii
2’
Lip boat-shaped
Ang. xrolfei
     
3
Lip kinked at base
4
3’
Lip not kinked at base
5
     
4
Flowers predominantly dark red internally 
Ang. brevilabris
4’
Flowers predominantly white, with pink or brown suffusion or spots
Ang. virginalis
     
5
Lip tubiform
6
5’
Lip boat-shaped
9
     
6
Lip tubiform, edges overlap or nearly so in midline
7
6’
Lip tubiform but edges wide apart 
Ang. xacostae
     
7
Lip tube straight
8
7’
Lip tube narrower (constricted) in mid-part 
Ang. uniflora
     
8
Lip tube wide, lateral lobes short, reflexed apically to form triangle
Ang. eburnea
8’
Lip tube narrow, long square lateral lobes 
Ang. tognettiae
     
9
Lip midlobe tridentate
10
9’
Lip midlobe not tridentate
Ang. dubia
     
10
Lip yellow or white
11
10’
Lip red
12
     
11
Lip white 
Ang. clowesii
11’
Lip yellow 
Ang. clowesii 
var. flava
     
12
Flowers red internally
13
12’
Flowers yellow-spotted red internally 
Ang. xruckeri
     
13
Anther cap glabrous 
Ang. hohenlohii
13’
Anther cap hairy 
Ang. hohenlohii var. macroglossa

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Updated 2003 11 09
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