Cook Islands Biodiversity & Natural Heritage
 

Crinum augustum

Riri

Red Crinum-Lily

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General Information

COMMON NAMES: Red Crinum-Lily, Red Crinum; German Hakenlilie

TRADITIONAL NAMES: Riri (RR AT MK), Lili (PK)

GLOBAL DISTRIBUTION: NATIVE Mauritius - Seychelles

COOK ISLANDS STATUS: Introduced - Recent, Not naturalised; S.Group - uncommon; N.Group - occasional; Land, lowlands

SIGNIFICANCE LIST: Ornamental flowers and leaves; Poisonous to eat - serious

KEY FEATURES: Massive herb, to 1.5m., with large, arching, sword-like leaves and large spider-like flowers.

SIMILAR SPECIES: Crinum augustum includes Crinum amabile. The famous "Queen Emma Crinum" of Hawai‘i from Sumatra, is variously listed under both scientific names.

Enlarged Image of 'Crinum augustum'

Cook Islands Distribution

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Southern Group: Present    Makatea: Present
RR 
MG
AT
MK
MT
AK
PL
TK
MN
++
-
+
+
-

Northern Group: Present
TN 
MH
RK
PK
NS
SW
+
+++

Key to Symbols

Scientific Taxonomy

Crinum augustum Roxburgh
SYNONYMS: Crinum Xaugustum [it is a sterile hybrid]; Crinum amabile; Crinum amabile Xaugustum [it is a sterile hybrid]; Crinum amabile var. augustum

TAXONOMY: PLANTAE; ANTHOPHYTA (=Angiospermae); LILIOPSIDA (=Monocotyledones); LILIIDAE; Liliales; LILIACEAE. COMMENT: See note under Crinum asiaticum.

More Information

IDENTIFICATION: Massive herb, to 1.5m. LEAVES whorled, sword-like, 150x20cm, dark-green. FLOWERS stem (scape) 100cm, falling to ground after flowers open, with terminal cluster of 15-30 flowers, fragrant; FLOWER stalk 3cm; corolla tube 12x0.5cm, dark purple, 6 sword-like petals (=lobes), 15x2cm, outside dark purple, inside white to pink; filaments 6, purple; style shorter than stamens, purple. FRUIT none, always sterile.

Vouchers & References

Vouchers:
Pukapuka: fieldspecimens, very common, 2/2004, ID to be checked, flower stalk green!!!!!

References:
p.219 Neal - In Gardens of Hawaii
p.333 Hortus 3rd
p.316 Royal Hort. Soc. Index of Garden Plants
p.54 Tropica

Data Update History (information):
zTX, zB02, zM05a, zD02, zupD04a

Web Resources

Citation Information

McCormack, Gerald (2007) Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Online at http://cookislands.bishopmuseum.org. Copy citation to system clipboard
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