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Trimezia martinicensis

(Jacq.) Herb. (1844)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Asparagales Family: Iridaceae Genus: Trimezia

martinique trimezia, walking iris

Description

Key Characters:

Growth Form: Plants up to 80 cm tall, with short rhizomes with fibrous tunics.

Stems: Flowering stems subterete, usually with a large cauline leaf in the middle part, 30–80 cm long, usually longer than leaves, unbranched or occasionally branched.

Roots: Fibrous root system.

Leaves: Leaves simple. Usually distichous, usually isobilateral and unifacial. Blades narrowly lanceolate, about as long as stems, 1–2 cm wide. Surfaces glabrous. Margins entire. Veins parallel. Sessile. Stipules absent.

Flowers: Flowers several in terminal clusters enclosed by spathe-like bracts, spathes herbaceous, up to 2 cm long. Flowers bisexual (perfect), actinomorphic. Tepals yellow with brownish markings, outer ones up to 2 cm long, spreading, inner ones with brownish purple spots at base and along middle, erect–ascending, up to 1.7 cm long. Stamens 3; filaments weak, to 5–6 mm long; anthers ca. 4 mm long, coherent to style branches. Ovary inferior, 3-carpellate, 3-celled, ca. 5 mm long; style ca. 9 mm long, crests vestigial.

Fruit: Capsules narrowly obovate; (1.2–)1.5–3 cm long. Seeds irregularly rounded to angular.

Ploidy: 2n = 40; 76; 80

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

O'ahu Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Edwards's Bot. Reg. 30(Misc.): 88 (1844)

Other References

Wagner et al. 1990:1449 (O); Staples & Herbst 2005:669 (KEY), 672 (DESCR)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Trimezia martinicensis (Jacq.) Herb. palolo valley, wai`oma`o stream up to falls to ka`au crater. Disturbed valley bottom PRESERVED_SPECIMEN w. l. wagner 6760 Oahu US 6/14/1994
2 Trimezia martinicensis (Jacq.) Herb. Schofield Barracks, East Range Grassy Opening PRESERVED_SPECIMEN Kawelo, K. USARMY 16 Oahu US 2005-00-00
3 Trimezia martinicensis (Jacq.) Herb. Honolulu, Dowsett Highlands PRESERVED_SPECIMEN Ning, W. S. s.n. Hawaii US 9/29/1946
4 Trimezia martinicensis (Jacq.) Herb. schofield barracks, east range PRESERVED_SPECIMEN k. kawelo usarmy 16 Maui US 4/21/2005
5 Trimezia martinicensis (Jacq.) Herb. lyon arboretum, hodge podge area Dry slopes. PRESERVED_SPECIMEN nagata, k.m. collector number: 3050 Oahu BISH 8/30/1984
6 Trimezia martinicensis (Jacq.) Herb. palolo, waiemao valley PRESERVED_SPECIMEN h. st. john 26943 Oahu US 2/17/1980
7 Trimezia martinicensis (Jacq.) Herb. Palolo, Waiemao Valley PRESERVED_SPECIMEN St. John, H. 26943 Oahu US 2/17/1980
8 Trimezia martinicensis (Jacq.) Herb. Palolo Valley, Wai'oma'o Stream up to falls to Ka'au Crater. Disturbed valley bottom PRESERVED_SPECIMEN Wagner, W. L. 6760 Oahu US 6/14/1994
9 Trimezia martinicensis (Jacq.) Herb. honolulu, 3179 kaohinani dr Volunteering in uncultivated field. PRESERVED_SPECIMEN neal, m.c. collector number: s.n. Oahu BISH 2/22/1946
10 Trimezia martinicensis (Jacq.) Herb. schofield barracks, east range In a grassy opening surrounded by bamboo. PRESERVED_SPECIMEN kawelo, k. collector number: usarmy 16 Oahu BISH 4/21/2005
11 Trimezia martinicensis (Jacq.) Herb. honolulu, nuuanu valley, country club ridge in dry forest PRESERVED_SPECIMEN kerr, m. collector number: degener 19634 Hawaii BISH 5/1/1949
12 Trimezia martinicensis (Jacq.) Herb. Honolulu, Dowsett Tract PRESERVED_SPECIMEN Handy, E.S. s.n. Oahu BISH 12/19/1943
13 Trimezia martinicensis (Jacq.) Herb. Kaneohe, Koolaupoko distr., Keolu Hills. Behind Hawaiian Memorial Park. Not uncommon in sunny, moist sites in secondary forest. Associated with grasses, Bidens, Spathoglottis in exposed areas. PRESERVED_SPECIMEN Nagata, K.M. 4002 Oahu BISH 7/11/1989
14 Trimezia martinicensis (Jacq.) Herb. palolo, waimao valley One small patch by trail in woods. PRESERVED_SPECIMEN st.john, h. collector number: 26943 Oahu BISH 2/17/1980
15 Trimezia martinicensis (Jacq.) Herb. Honolulu, 3179 Kaohinani Dr Volunteering in uncultivated field. PRESERVED_SPECIMEN Neal, M.C. s.n. Oahu BISH 2/22/1946
16 Trimezia martinicensis (Jacq.) Herb. honolulu, dowsett tract PRESERVED_SPECIMEN handy, e.s. collector number: s.n. Oahu BISH 12/19/1943
17 Trimezia martinicensis (Jacq.) Herb. honolulu, dowsett highlands PRESERVED_SPECIMEN w. ning s.n. Hawaii US 9/29/1946
18 Trimezia martinicensis (Jacq.) Herb. Honolulu, Nuuanu Valley, country club ridge PRESERVED_SPECIMEN Kerr, M. Degener 19634 Oahu BISH 5/1/1949
19 Trimezia martinicensis (Jacq.) Herb. Schofield Barracks, East Range In a grassy opening surrounded by bamboo. PRESERVED_SPECIMEN Kawelo, K. USARMY 016 Oahu BISH 4/21/2005
20 Trimezia martinicensis (Jacq.) Herb. kaneohe, koolaupoko distr., keolu hills. behind hawaiian memorial park. Not uncommon in sunny, moist sites in secondary forest. Associated with grasses, Bidens, Spathoglottis in exposed areas. PRESERVED_SPECIMEN nagata, k.m. collector number: 4002 Oahu BISH 7/11/1989
21 Trimezia martinicensis (Jacq.) Herb. Lyon Arboretum, hodge podge area PRESERVED_SPECIMEN Nagata, K.M. 3050 Oahu BISH 8/30/1984
22 Trimezia martinicensis (Jacq.) Herb. Palolo, Waimao Valley One small patch by trail in woods. PRESERVED_SPECIMEN St. John, H. 26943 Oahu BISH 2/17/1980
23 Trimezia martinicensis (Jacq.) Herb. Palolo Valley, Waiomao Stream up to falls to Kaau Crater. Common in 2 patches near beginning of trail. Disturbed valley bottom. PRESERVED_SPECIMEN W. L. Wagner 6760 Oahu PTBG 6/14/1994
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