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Schiedea hookeri

A.Gray (1854)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-CoreEudicot Order: Caryophyllales Family: Caryophyllaceae Genus: Schiedea

Description

Key Characters:

Growth Form: Sprawling perennial herbs, becoming woody toward base.

Stems: Stems often swollen at the nodes, terete (cylindrical), 4–angled or –ridged, 3–10 dm long, multi–stemmed from the base, the primary stems usually much branched, weakly ascending to nearly decumbent, producing matted clumps, pale purple, glabrate below, glandular–puberulent and somewhat viscid in the inflorescence.

Roots: Fibrous root system.

Leaves: Leaves simple. Opposite. Blades narrowly lanceolate to narrowly elliptic, falcate, 3–8.8 cm long, 0.4–2.4 cm wide. Apex attenuate and ± recurved. Base leaf bases often connate around the stem. Surfaces glandular–puberulent or glabrate, especially toward base, the hairs translucent, straight, ± erect, 0.05––0.15 mm long; blades thin and membranous. Margins weakly revolute. 3 principal veins, the midvein excentric. Petioles 0–0.3 (–0.6) cm long. Stipules absent.

Flowers: Flowers in inflorescence terminal, with 18–149 flowers, 5–22 cm long, open, moderately to densely glandular–puberulent, the hairs 0.15–0.25 mm long; bracts green, narrowly linear–elliptic to subulate, falcate and often somewhat twisted, those of central axis 2–31 mm long, those of branches and flowers 1–12 mm long; pedicel filiform, 7–16 mm long, inconspicuously flattened. Flowers bisexual (perfect). Sepals 3.3–4.5 mm long, lanceolate, green to purple, opaque, strongly reflexed and convex in the proximal ¼, producing a small transverse bulge, the distal part concave, sometimes shallowly navicular at apex, oriented at ca. 30° angle to the pedicel, moderately to densely glandular–puberulent, the hairs 0.05–0.15 mm long, margins conspicuously scarious, ciliate, apex attenuate to subulate. Corolla (petals) absent. Stamens 10; filaments dimorphic, the antisepalous whorl 4.5–5.8 mm long, the alternate whorl 4–5 mm long; anthers 0.85–1 mm long, yellow. Ovary superior, 1-celled; ovule placentation free-central; styles 3(–4).

Fruit: Capsules ca. 2.5–3 mm long; narrowly ovoid. Seeds relatively few; ca. 0.6––0.7 mm long; suborbicular; compressed; the surface transversely rugose; perisperm starchy; hard or rarely soft; true endosperm absent.

Ploidy: 2n = probably 60*

Habitat: Scattered and sometimes locally common in diverse mesic forest.

Elevation Range: 360–870 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

O'ahu Endemic
Maui Endemic

Dispersal Agents


Pollinators

Notes

  • 350-800 m, northern and central Wai'anae Mountains, O'ahu
  • Description digitized by Mercedez
  • Description digitized from the Manual of the Flowering Plants of Hawaii
  • Schiedea hookeri is related to S. menziesii but differs in its prostrate habit and looser, fewer-flowered inflorescences.

Bibliography

Name Published In: U.S. Expl. Exped., Phan. 1: 133 (1854)

Other References

Wagner et al. 1990:514 (O, EM? [a single pre-1920 spm. from Haleakalā]); Wagner, Weller & Sakai 2005:111 (KEY, DESCR); PEPP 2025/Lydgate s.n. BISH 46406 (M†, 1921)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details On E facing steep, dry slope under a canopy of Schinus, Psychotria, Psidium & associated with Eupatorium and Lantana. Terrain rocky, dry with a slight soil cover. Preserved_Specimen Obata, J.K. Oahu BISH 1990-04-17
2 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Grassy slopes. Preserved_Specimen Christophersen, E. 3658 Oahu BISH 1932-05-25
3 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Plant near rim of Waianae Range. Preserved_Specimen Welton, P. 319 Oahu BISH 1990-02-11
4 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details On a northwest facing slope with Reynolsia; Euphorbia haeleeleana; Lipochaeta tenuifolia; and Eugenia reinwardtiana; Schiedea hookeri. Preserved_Specimen Welton, P. 164 Oahu BISH 1989-10-15
5 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Grassy slopes Preserved_Specimen Christophersen, E. 3658 Oahu BISH 1932-05-25
6 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Pouteria, Freycinetia, Pipturus, Chamaesyce, Charpentiera, Gardenia mannii, Labordia, Neraudia, Rumex albescens, Pisonia, Lantana, Clidemia Preserved_Specimen Wood, K.R. 304 Oahu BISH 1990-04-17
7 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Puu Kaua with Metrosideros rugosa, Illex anomala, Coprosma longifolia, Bidens torta, Eragrostis grandis, Rumex albescens, Peperomia tetraphylla, Carex meyenii, Artemisia australis, Lantana camara, Schinus, Marattia Preserved_Specimen Wood, K.R. 3076 Oahu BISH 1994-03-09
8 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details ohia, kukui, Planchonella, Hibiscus, Charpentiera tomentosa, guava Preserved_Specimen Perlman, S. 5484 Oahu BISH 1987-03-24
9 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details In degraded Metrosideros lowland mesic forest with Artemisia, Bidens, Pipturus, Chamaesyce, Lysimachia, Ageratina, Erigeron, Melinis, Schinus. Preserved_Specimen Perlman, S. 14072 Oahu BISH 1994-03-09
10 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 6842 Oahu BISH 1998-02-11
11 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 6841 Oahu BISH 1998-02-11
12 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Takeuchi, W.N. 2112 Oahu BISH 1985-04-30
13 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Takeuchi, W.N. 2112 Oahu BISH 1985-03-31
14 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 6842 Oahu BISH 1998-02-12
15 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lau, J. 2394 Oahu BISH 1986-05-16
16 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 6840 Oahu BISH 1998-02-11
17 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Takeuchi, W.N. 2112 Oahu BISH 1985-03-31
18 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Weller, K. 794 Oahu BISH 1985-01-01
19 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Menzies, A. BISH
20 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Takeuchi, W.N. 106 Oahu BISH 1984-04-22
21 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details rocks, shaded gulch Preserved_Specimen Degener, O. 20618 Oahu BISH 1950-04-23
22 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Irvine greenhouse Preserved_Specimen Wagner, W.L. 6839 Oahu BISH 1998-02-11
23 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details shaded by Schinus and Santalum Preserved_Specimen Obata, J.K. 85546 Oahu BISH 1985-05-26
24 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Grevillea, Psidium, Paspalum, Acacia koa, Eupatorium, Chrysophyllum, Fraxinus Preserved_Specimen Lau, J. 1313.1 Oahu BISH 1985-08-18
25 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details On E facing steep, dry slope under a canopy of Schinus, Psychotria, Psidium & associated with Eupatorium and Lantana. Terrain rocky, dry with a slight soil cover. Preserved_Specimen Obata, J.K. Oahu BISH 1990-04-17
26 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Welton, P. 705 Oahu BISH 1991-05-05
27 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Russ, G.W. Oahu BISH 1933-06-22
28 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lydgate, J.M. Maui BISH
29 Schiedea hookeri Locality redacted. Contact Bishop Museum Botany Department for details dry, on forest floor; with Sapindus oahuensis, Erythrina, Pleomele, Reynoldsia, Rauwolfia, Bobea, Myoporum Preserved_Specimen Hatheway, W.H. 162 Oahu BISH 1950-08-08
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