Sideritis royoi (Lamiaceae): A New Orophilous Species from Northeastern Spain †
Abstract
:1. Introduction
2. Materials and Methods
3. Results
Taxonomic Treatment
4. Discussion
5. Identification Key for Sideritis subsect. Hyssopifoliae
- 1 .
- Calyces with carpostegium continuous …………………………………………………………………………………………………………….….2
- 1′.
- Calyces with carpostegium discontinuous ……………………………………………………………………………………………………………7
- 2 .
- Central part of verticillasters 2–10 mm apart …………………………………………………………………………………………………………3
- 2′.
- Central part of verticillasters 15–35 mm apart ………………………………………………………………………………………………………11
- 3 .
- Inflorescence axis without glands ………………………………………………………………………………………………………………………4
- 3′.
- Inflorescence axis with glands ………………………………………………………………………………………………………………………….5
- 4 .
- Base of branchlets with glands, trichomes 0.3–0.7 mm long; inflorescence axis trichomes 0.2–0.4(–1) mm long ……………… S. getula Batt.
- 4′.
- Base of branchlets without glands, trichomes 0.5–2.0 mm long; inflorescence axis trichomes 0.8–1.5 mm long ………… S. hyssopifolia (s.l.)
- 5 .
- Leaves without glands; lower bracts 5–7 × 8–10 mm, with 2–4 teeth on each side; corollas 6–7 mm long ………………… S. maura de Noé
- 5′.
- Leaves with glands; lower bracts 7–12 × 5–12 mm, with 3-8 teeth on each side; corollas 8–10 mm long ……………………………………6
- 6 .
- Middle bracts 7–12 mm; calyx teeth 3 mm long, trichomes 0.6–1.3 mm long …………………………………………………… S. pungens (s.l.)
- 6′.
- Middle bracts 5–6 mm; calyx teeth 1–2 mm long, trichomes 2 mm long ……………………………………… S. algarviensis D. Rivera & Obón
- 7 .
- Branchlets with glands at base …………………………………………………………………………………………………………………………8
- 7′.
- Branchlets without glands at base ……………………………………………………………………………………………………………………10
- 8 .
- Base of branchlets goniotrichous to holotrichous, covered with hairs 0.8–1.5 mm ……………………………………………… S. pungens (s.l.)
- 8′.
- Base of branchlets holotrichous, covered with very short hairs up to 0.8 mm ………………………………………………………………… 9
- 9 .
- Lower leaves entire, 10–25 × 1–1.5 mm, axillary fascicles absent at flowering time; uppermost leaves similar to the lower, entire; calyx with scarce trichomes ……………………………………………………………………………………………………………………… S. carbonellii
- 9′.
- Lower leaves dentate, 12–17 × 2–3 mm, axillary fascicles commonly present at flowering time; uppermost leaves bract-like, with 0–4 teeth on each side; calyx with abundant trichomes ……………………………………………………………………………………………… S. tugiensis
- 10.
- Main surfaces of the leaves with eglandular hairs; upper leaves non subspinescent; main abaxial surface of the bracts hairy; inflorescences with (1–)2–13 verticillasters ……………………………………………………………………………………… S. hyssopifolia (s.l.)
- 10′.
- Main surfaces of the leaves glabrous or glabrescent; upper leaves subspinescent; main abaxial surface of the bracts without eglandular hairs; inflorescences with 1–2(–3) verticillasters …………………………………………………………………………………………. S. royoi
- 11.
- Leaves without glands; lower bracts 6–8 × 3–6 mm, middle bracts 4–5 × 7–8 mm ………………………………………… S. ochroleuca Willk.
- 11′.
- Leaves with glands; lower bracts (8–)10–17 × 3–9(–10) mm, middle bracts 7–10 × 8–10 mm ……………………………… S. hyssopifolia (s.l.)
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A. Representative Specimens
References
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Character | S. royoi | S. hyssopifolia | S. pungens | S. tugiensis | S. carbonellii |
---|---|---|---|---|---|
Arrangement of hair covering at base of branchlets | Goniotrichous | Holotrichous to Goniotrichous | Goniotrichous to holotrichous | Holotrichous | Holotrichous |
Base of branchlets: hair length (mm) | 0.2–1.0 | 0.2–1.9(–2.0) | 0.2–1.5 | (0.2–)0.4–0.8 | (0.4–)0.6(–0.8) |
Lower leaves: size (mm) | 6–32 × 3–12 | 7–50 × 2–11 | 8–50 × 2–4 | 12–17 × 2–3 | 10–25 × 1–1.5 |
Lower leaves: shape | Subspatulate to sublinear | Spatulate to lanceolate | Linear | Oblanceolate | Linear |
Lower leaves: margin | Dentate | Entire to serrate | Entire | Dentate | Entire |
Lower leaves: density of trichomes at main surface | Glabrous or almost glabrous | Scarce | Scarce | Scarce | Scarce to very scarce |
Lower leaves: arrangement of trichomes at margin | Clearly distinct when present | Clearly distinct | Clearly distinct | Indistinct, except in the basal of leaves | Clearly distinct |
Uppermost leaves | Narrower than the lower leaves, subspinescent | Similar to the lower | Similar to the lower or narrower leaves | Bract-like, with 0–4 teeth | Similar to the lower leaves, exceptionally with 1 tooth |
Axillary fascicles during flowering time | Usually absent | Occasionally present | Occasionally present | Very frequent | Absent |
Number of verticillasters | 1–2(–3) | (1–)2–13 | 3–12 | 1–2(–4) | 1–3(–5) |
Distance of internode in central verticillasters (mm) | 2–3.5 | 2–12 | 3–7 | 3–6 | 5–6 |
Shape of the inflorescence | Ovoid or globose | Cylindrical to globose | Cylindrical | Ovoid or globose | Ovoid or globose |
Inflorescence length (cm) | 0.7–2.5(–4) | 0.8–12 | 1–7 | 0.7–2.5 | 0.5–1.5(–2) |
Inflorescence axis: density of glands | Absent | Absent | Very scarce | Very abundant | Absent |
Lower bract size (mm) | 7–9 × 6–10 | 4–17 × 3–12 | 7–12 × 9–12 | 4.5–5.5 × 6–8 | 5–6 × 4–7 |
Teeth on each side of the lower bracts | 3–8 | 0–8(–9) | 4–7 | 2–4(–5) | 2–3(–5) |
Lower bracts: greatest width | 1/3 above the base | 1/5–1/2 above the base | 1/8–1/3 above the base | 1/3 above the base | 1/2 above the base |
Middle bracts size (mm) | 8–10 × 9–12 | 3–11 × 6–11 | 6–12 × 8–13 | 4–5 × 6–7 | 4–5 × 5–6 |
Number of teeth on each side of middle bracts | 6–10 | 3–8(–9) | 4–8 | 3–6 | 2–3(–5) |
Abaxial surface of middle bracts: hairiness | Glabrous | Hairy | Hairy | Glabrous | Glabrous |
Middle bracts: hair length (mm) | – | 0.8–1.5 | 0.1–0.5 | 0.2–0.7 | 0.3–0.5 |
Calyx length (mm) | 8–11 | (5–)6–10(–11) | 7–8 | 6–7 | 7–8 |
Calyx: density of glands | Scarce | Scarce or absent | Scarce | Abundant | Scarce or abundant |
Calyx: density of trichomes | Scarce | Scarce | Very scarce | Abundant | Scarce |
Calyx: length of hairs (mm) | 0.5–1.8 | 1–2.2 | 0.6–1.3 | 0.5–1.5 | 0.9–1.1 |
Corolla length (mm) | 6–9 | 6–12 | 7–9 | 8–9 | 7–10 |
Corolla: upper lip | Emarginate | Entire to emarginate | Emarginate or notched | Bifid | Emarginate or notched |
Style length (mm) | 1.8–2.5 | 2–4 | 2–5 | 3–3.1 | 1.8–2.2 |
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Sáez, L.; Curto, R.; Crespo, M.B. Sideritis royoi (Lamiaceae): A New Orophilous Species from Northeastern Spain. Taxonomy 2024, 4, 112-125. https://doi.org/10.3390/taxonomy4010006
Sáez L, Curto R, Crespo MB. Sideritis royoi (Lamiaceae): A New Orophilous Species from Northeastern Spain. Taxonomy. 2024; 4(1):112-125. https://doi.org/10.3390/taxonomy4010006
Chicago/Turabian StyleSáez, Llorenç, Rafel Curto, and Manuel B. Crespo. 2024. "Sideritis royoi (Lamiaceae): A New Orophilous Species from Northeastern Spain" Taxonomy 4, no. 1: 112-125. https://doi.org/10.3390/taxonomy4010006