A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 132

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 290

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 164

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 233

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 313

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 354

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 282

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 294

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 304

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 314

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 315

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 316

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 317

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 375

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: drivers/Session_files_driver.php

Line Number: 108

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 110

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Session cannot be started after headers have already been sent

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /hostdata/WebhostOrg02/rspg/public_html/61/application/controllers/Tree.php
Line: 7
Function: __construct

File: /hostdata/WebhostOrg02/rspg/public_html/61/index.php
Line: 315
Function: require_once

โครงการอนุรักษ์พันธุ์กรรมพืชฯ

ข้อมูลพันธุ์ไม้/การนำไปใช้ประโยชน์

รูปภาพ

แสดงรายละเอียดพันธุ์ไม้

หมากเขียว

หมากฝรั่ง (กรุงเทพฯ) ปาล์มหมาก (กรุงเทพฯ) หมากพร้าว (เชียงใหม่, นราธิวาส)

Ptychosperma macarthurii H. Wendl.

PALMAE

รายละเอียด

ต้น: ลำต้นก็เกิดจากหน่อ สูงประมาณ 10-20 เมตร ลักษณะผอมและเป็นข้อปล้องตรง เมื่อยังอ่อนเปลือกจะเป็นสีเขียว เมื่อแก่จะมีสีน้ำตาลอมเขียว ใบ: ใบประกอบแบบขนนก ทางใบหนึ่งประกอบด้วยใบย่อยอยู่ประมาณ 40 ใบ ใบย่อยยาว 10 -15 เซนติเมตร กว้าง 4 เซนติเมตร โคนก้านทางใบจะเป็นกาบห่อหุ้มลำต้นเอาไว้ เนื้อใบอ่อนและสีเขียวเข้ม ใบสีเขียวอ่อน ดอก: เป็นช่อคล้ายจั่นหมาก ดอกย่อยขนาดเล็ก สีเหลือง อมเขียว หรือสีขาวนวล ผล: กลม ขนาดเล็ก มีสีเขียวอ่อน แต่พอแก่จะกลายเป็นสีแดง มีเมล็ดอยู่ภายในเมล็ดหนึ่ง

ถิ่นที่อยู่

เป็นพรรณไม้กลางแจ้งที่ชอบแสงแดดจัด เจริญเติบโตได้ในดินทุกชนิดต้องการน้ำปานกลางและทนต่อทุกสภาพสิ่งแวดล้อม

การนำไปใช้ประโยชน์

ปลูกเป็นไม้ประดับ